San Francisco 49ers Ken Willard (40) is shown in a tangle of New York Giants on a wet field in San Francisco, 1973. Other players unidentified. (AP Photo)

New York Giants' Frank Gifford tucks in quarterback Y.A. Tittle's pass for 20 yard gain in first quarter at Kezar Stadium football game on August 19, 1962 between New York Giants and San Francisco 49ers. Coming in to make stop is 49ers line backer Matt Hazeltine (55). San Francisco won exhibition contest, 42-10. (AP Photo/Ernest Bennett)

New York Giants' half back Frank Gifford carries the ball during pro exhibition game with the San Francisco 49ers, Aug. 20, 1955. Others are New York's Jack Stroud (66), on ground, and 49er George Maderos (40). (AP Photo)

FILE - In this Sept. 20, 1964, file photo, New York Giants' Y.A. Tittle squats on the field after being hit hard while passing during a game against the Pittsburgh Steelers, in Pittsburgh. Football is diminished without Y.A. Tittle, the star 49ers and Giants quarterback whose 1964 photo of him bleeding and slumped on both knees came to embody the sport's fierce combat. Tittle died in 2017. (AP Photo/Dozier Mobley, File)

Larry Csonka (39) of the New York Giants accepts congratulations from teammates in the huddle after attaining an NFL mark of 7,000 yards in his career, Sept. 25, 1978 in East Rutherford. He is now the sixth man to do so in the history of the NFL. Csonka scored a touchdown on the next play as the Giants beat the San Francisco 49ers 27-10 at Giant Stadium on Sunday. (AP Photo/G. Paul Burnett)

San Francisco Forty Niners quarterback Joe Montana (16) gets a handshake from New York Giants Mike Whittington (62) after a 38-24 win over the New Yorkers in the NFC Playoffs at Candlestick Park, Sunday, Jan. 3, 1982, San Francisco, Calif. (AP Photo)

New York Giants defensive end George Martin struts through Newark International Airport, Dec. 31, 1981. Martin, along with the rest of the New York Giants team, are heading to San Francisco for their NFL playoff game on Sunday, Jan. 3, 1982 against the San Francisco 49ers. (AP Photo/David Bookstaver)

San Francisco 49ers quarterback Joe Montana is chased by New York Giants back Mark Haynes (36), left, and safety Beasley Reece as he runs for a 20 yard touchdown in the second quarter on Sunday, Nov. 29, 1981 at Candlestick Park in San Francisco. (AP Photo)

New York Giants quarterback Phil Simms (11) prepares to take the snap from center Jim Clack (56) during an NFL game against the San Francisco 49ers in San Francisco on Nov. 23, 1980. The 49ers defeated the Giants 12-0. (AP Photo/NFL Photos)

New York Giants player Bart Oates (65), Conrad Goode (62) and an unidentified teammate, hug after the Giants pulled ahead of the San Francisco 49ers during the third quarter, Sunday, Dec. 29, 1985 at Giant Stadium in East Rutherford, N.J. The Giants advanced in the NFL playoffs by beating San Francisco 49ers 17--3 and will play the Chicago Bears Jan. 5th. (AP Photo)

A group of ticket-holders pose with the rewards of a long wait in line at Brendan Byrne Arena in East Rutherford, N.J., Dec. 27, 1985. The tickets are for Sunday's wildcard playoff game between the New York Giants and the San Francisco 49ers. (AP Photo/Rick Maiman)

New York Giants' Harry Carson and Byron Hunt, right, stand behind banner at Giants Stadium in East Rutherford, Dec. 30, 1984 after their return from San Francisco. The Giants ended their NFL season with a 21-10 playoff loss to the San Francisco 49ers on Saturday. (AP Photo/Bill Clare)

Four football fans wave tickets they got after a long wait in line at Brendan Byrne Arena in East Rutherford, N.J., Dec. 27, 1985. The tickets are for wildcard playoff game between the New York Giants and the San Francisco 49ers. (AP Photo/Rick Maiman)

Fullback Roger Craig (33) of the San Francisco 49ers busts loose for good yardage as linebacker Lawrence Taylor of the New York Giants gets hit from behind by the 49ers' Russ Francis (81) during the first quarter of their NFC playoff game at Candlestick Park in San Francisco, Calif., Dec. 29, 1984. (AP Photo/Eric Risberg)

The New York Giants Jim Burt eyes Joe Montana, San Francisco 49ers quarterback, as he closes in for a first quarter sack in NFL playoff game at Giants Stadium, Sunday, Dec. 30, 1985 in East Rutherford, New Jersey. Montana was harried by an aggressive Giants defense and lost 17-3. (AP Photo/Bill Kostroun)

San Francisco 49ers quarterback Joe Montana walks from the field in the fourth quarter of NFL playoff game, Sunday, Dec. 29, 1985 in East Rutherford, New Jersey as New York Giants Jim Burt raises his arms in jubilation. The Giants won the game 17-3 and will play the Chicago Bears next week. (AP Photo)

San Francisco 49ers quarterback Joe Montana is knocked down after making a pass by New York Giants George Martin in the fourth quarter of play in East Rutherford, New Jersey, Sunday, Dec. 29, 1985. (AP Photo/Ray Stubblebine)

San Francisco 49ers Jerry Rice, left, fumbles his pass catch as he?s hit by the New York Giants Andy Headen in the third quarter of Sunday?s 17-3 Giants win at Giants Stadium on East Rutherford, New Jersey on Dec. 30, 1985. Bryon Hunt of the Giants fell on the ball to kill and another 49ers drive. (AP Photo/Bill Kostroun)

New York Giant Phil McConkey (80) celebrates a touchdown by teammate Mark Bavaro, left, with Joe Morris, background, in the second period of NFC wildcard playoff action against the San Francisco 49ers in East Rutherford, N.J., Sunday, Dec. 29, 1985. The Giants won the game 17-3. (AP Photo/Peter Morgan)

Making a point is New York Giant head coach Bill Parcells (center) to quarterback Phil Simms at Fresno, Calif., on Dec. 26, 1984 for the second day of workouts in preparation for game against the San Francisco 49ers. Listening at right is offensive co-coordinator Ron Erhardt. (AP Photo)

New York Giants Phil McConkey hauls in a 28-yard pass from quarterback Phil Simms in the end zone as San Francisco 49ers Tim McKyer hangs on during third quarter action at Giants Stadium in East Rutherford, N.J., Jan. 5, 1987. The touchdown helped lift the Giants to a 49-3 win in the NFL playoff game. (AP Photo/Susan Ragan)

San Francisco 49ers quarterback Joe Montana (16), fired off the ball before New York Giants linebacker Lawrence Taylor (56), can reach him during the first quarter of their NFL game in Candlestick Park, San Francisco, Monday, Dec. 1, 1986. (AP Photo/Paul Sakuma)

New York Giants quarterback Phil Simms drops back to pass as San Francisco 49ers defensive end Dwaine Board (76) moves in to make the tackle during the first half of their NFL game in Candlestick Park, Dec. 1, 1986. (AP Photo/Paul Sakuma)

New York Giants Mark Bavaro catches a 24-yard first quarter pass from quarterback Phil Simms to score the first touchdown of the game as San Francisco 49ers Tim McKyer defends on Sunday, Jan. 4, 1987 at Giants Stadium in East Rutherford. (AP Photo/David Fields)

An official checks the condition of San Francisco 49ers quarterback Joe Montana after he was slammed to the ground at the end of the second quarter of an NFL game at Giants Stadium in East Rutherford, New Jersey, Sunday, Jan. 4, 1986. Montana left the game, reportedly suffering a concussion. (AP Photo/Susan Ragan)

New York Giants quarterback Phil Simms (11) reacts to a play during first half NFL playoff action against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Jan. 5, 1987. (AP Photo/Bill Kostroun)

Giants defensive coordinator Bill Belichick gets Gatorade dumped on him during the NFL divisional playoff game against San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Jan. 4, 1987. The Giants defeated the San Francisco 49ers, 49-3. (AP Photo/Ray Stubblebine)

San Francisco 49ers coach Bill Walsh, right, leaves Giants Stadium with his arm around New York Giants coach Bill Parcells shoulder after the game in East Rutherford, N.J., Oct. 6, 1987. The 49ers won the game, 41-21. (AP Photo/Susan Ragan)

FILE --In a Jan. 20, 1991 file photo San Francisco 49ers Tom Rathman is upended by New York Giants Pepper Johnson (52) after receiving pass from quarterback Joe Montana in first quarter of NFC championship game in San Francisco. Giants Myron Guyton comes in at right. The two teams will meet again Sunday Jan. 22, 2012 to vie for the NFC championship. (AP Photo/Eric Risberg)

New York Giants coach Bill Parcells reacts to broken up touchdown pass in first quarter of NFC championship game with the San Francisco 49ers at Candlestick Park in San Francisco Sunday, Jan. 20, 1991. Left is kicker Matt Bahr. (AP Photo/Lenny Ignelzi)

FILE -- A Jan. 20, 1991 file photo shows New York Giants quarterback Jeff Hostetler holding the ball as Matt Bahr kicks game-winning field goal in final seconds of NFC championship game with San Francisco 49ers at Candlestick Park in San Francisco. The two teams will meet again Sunday Jan. 22, 2012 to vie for the NFC championship. (AP Photo/Paul Sakuma/file)

New York Giants quarterback Jeff Hostetler rolls backward into a handstand as Lawrence Taylor (56) hugs kicker Matt Bahr after game-winning field goal in final second of NFC championship game in San Francisco, Jan. 20, 1991. Hostetler held the ball then rolled into the handstand. Giants go to Super Bowl with 15-13 victory. (AP Photo/Paul Sakuma)

New York Giants linebacker Lawrence Taylor runs after recovering a 49ers fumble in the fourth quarter of the NFC championship game to help win the game 15-13 in San Francisco on Jan. 20, 1991. 49ers in photo are quarterback Steve Young (8), Jesse Sapolu (61), and Guy McIntyre (62). (AP Photo/Rich Pedroncelli)

New York Giants Ottis Anderson (24) takes a step over the San Francisco 49ers defensive line Sept. 3, 1991 as Dennis Brown (96) grabs his leg at Giants Stadium. Giants won the game at East Rutherford, 16-14. (AP Photo/Alex Brandon)

New York Giants fullback Charles Way (31), quarterback Kent Graham (10) and running back Tiki Barber (21) point in confusion towards teammates as they set up their formation in the third quarter during the Giants 31-7 loss to the San Francisco 49ers Monday night, Nov. 30, 1998 at San Francisco's 3Com Park. (AP Photo/Paul Sakuma)

New York Giants safety Shaun Williams (36) tries to pull down San Francisco 49ers wide receiver Mark Harris Monday, Nov. 30, 1998, in San Francisco. (AP Photo/Ben Margot)

San Francisco 49ers quarterback Jeff Garcia is pressured by New York Giants defensive end Michael Strahan in the second period Thursday, Sept. 5, 2002 in East Rutherford, N.J. Garcia's pass was incomplete. (AP Photo/Mark Lennihan)

New York Giants wide receiver Amani Toomer, left, catches a touchdown pass from quarterback Kerry Collins as San Francisco 49ers cornerback Ahmed Plummer, right, looks on during the first quarter of their NFC Wild Card game in San Francisco, Sunday Jan. 5, 2003. (AP Photo/Marcio Jose Sanchez)

New York Giants wide receiver Amani Toomer (81) runs to the end zone for a touchdown away from San Francisco 49ers cornerback Ahmed Plummer (29) during the second quarter of their NFC Wild Card game in San Francisco, Sunday, Jan. 5, 2003. (AP Photo/Marcio Jose Sanchez)

New York Giants tight end Jeremy Shockey is stopped by San Francisco 49er's cornerback Jason Webster, right, and linebacker Jamie Winborn, rear, after gaining nine yards on a pass play during the second quarter Thursday night, Sept. 5, 2002, at Giants Stadium in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants' Jeremy Shockey reacts after he scored a touchdown in the second quarter against the San Francisco 49ers in the NFC Wild Card playoff game, Sunday, Jan. 5, 2003. in San Francisco. (AP Photo/Julie Jacobson)

New York Giants' Amani Toomer holds up three fingers after he scored his third touchdown of the game in the second quarter during their NFC Wild Card playoff game against the San Francisco 49ers, Sunday, Jan. 5, 2003 in San Francisco. (AP Photo/Paul Sakuma)

New York Giants running back Tiki Barber (21) runs for a touchdown during the fourth quarter against the San Francisco 49er's Thursday night, Sept. 5, 2002, at Giants Stadium in East Rutherford, N.J. Barber has more than a pulled hamstring to worry about for Sunday's game against the St. Louis Rams. Barber said after practice Monday that he sprained the second toe on his right foot during Thursday's 16-13 loss to the San Francisco 49ers. The injury was so painful that Barber had trouble walking after the game. (AP Photo/Bill Kostroun)

New York Giants wide receiver Jeremy Shockey, right, catches a touchdown pass as San Francisco 49ers safety Tony Parrish, left, looks on during the second quarter of their NFC Wild Card game in San Francisco, Sunday Jan. 5, 2003.(AP Photo/Paul Sakuma)

New York Giants safety Johnnie Harris, right, celebrates after recovering a fumble by San Francisco 49ers' Cedrick Wilson on a punt return during the second quarter of their NFC Wild Card game in San Francisco, Sunday Jan. 5, 2003. At left is Giants linebacker Nick Greisen.(AP Photo/Marcio Jose Sanchez)

New York Giants wide receiver Amani Toomer (81) is greeted by tight end Jeremy Shockey (80) after scoring a touchdown against the San Francisco 49ers during the second quarter of their NFC Wild Card game in San Francisco, Sunday Jan. 5, 2003. The touchdown was Toomer's third in the game.(AP Photo/Julie Jacobson)

The New York Giants Amanio Toomer (81) makes a touchdown catch against the 49ers Ahmed Plummer (29) in the end of the first half during the San Francisco 49ers vs' New York Giants NFC Wild Card playoff game in San Francisco, Sunday, January 5, 2003. (AP Photo/Paul Sakuma)

FILE - In this Jan. 5, 2003, file photo, New York Giants' Rich Seubert (69), Luke Petitgout (77), Tam Hopkins (65) and Marcellus Rivers (83) look for a pass interference call after a botched field goal attempt against the San Francisco 49ers in the closing moments of an NFL football playoff game in San Francisco. A bad snap by Trey Junkin led to holder Matt Allen tossing an incomplete pass to Seubert and the 49ers won 39-38. The two teams meet in the NFC championship on Sunday, Jan 22 in San Francisco. (AP Photo/Julie Jacobson)

New York Giants' Plaxico Burress, left, reaches to catch a pass over San Francisco 49ers' Bruce Thornton in the third quarter in San Francisco on Sunday, Nov. 6, 2005. The Giants won 24-6. (AP Photo/Jeff Chiu)

New York Giants' Michael Strahan celebrates as he leaves the field after the Giants beat the San Francisco 49ers 24-6 in San Francisco on Sunday, Nov. 6, 2005. (AP Photo/Jeff Chiu)

New York Giants' Tiki Barber, right, leaps up as San Francisco 49ers' Mike Adams tackles him in the second quarter in San Francisco on Sunday, Nov. 6, 2005. (AP Photo/Jeff Chiu)

New York Giants Eli Manning, left, has a chat with San Francisco 49ers quarterback Alex Smith, Sunday, Nov. 6, 2005 in San Francisco. The Giants beat the 49ers 24-6. (AP Photo/George Nikitin)

New York Giants' Brandon Jacobs dives over San Francisco 49ers' Andre Carter to score a touchdown in the fourth quarter in San Francisco on Sunday, Nov. 6, 2005. The Giants won 24-6. (AP Photo/Jeff Chiu)

New York Giants' Brent Alexander, right, flips the ball to teammate Will Allen (not shown) after making an interception against the San Francisco 49ers in the second quarter in San Francisco on Sunday, Nov. 6, 2005. Also present are Giants' Corey Webster (23) and 49ers' Arnaz Battle, center. (AP Photo/Jeff Chiu)

New York Giants' Jeremy Shockey, right, rolls into the endzone to score a touchdown past San Francisco 49ers' Tony Parrish in the second quarter in San Francisco on Sunday, Nov. 6, 2005. (AP Photo/Jeff Chiu)

New York Giants tight end Jeremy Shockey (80) is upended as he scores a fourth quarter touchdown against the San Francisco 49ers in an NFL football game at Giants Stadium in East Rutherford, NJ, Sunday, Oct. 21, 2007.(AP Photo/Kathy Willens)

New York Giants defensive end Mathias Kiwanuka (97) breaks up a pass intended for San Francisco 49ers tight end Vernon Davis (85) as 49ers offensive tackle Joe Staley (74) collides with Kiwanuka in the third quarter of their NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007. The Giants defeated San Francisco 33-15. (AP Photo/Kathy Willens)

New York Giants running back Brandon Jacobs (27) runs for yardage in their NFL football game against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007.(AP Photo/Kathy Willens)

New York Giants quarterback Eli Manning (10) throws a pass in the first half of the Giants 33-15 victory over the San Francisco 49ers in their NFL football at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007. (AP Photo/Kathy Willens)

San Francisco 49ers quarterback Trent Dilfer (12) is sacked by New York Giants defensive ends Justin Tuck (91) and Michael Strahan during third-quarter NFL football Sunday, Oct. 21, 2007, at Giants Stadium in East Rutherford, N.J. Dilfer was sacked six times as the Giants beat the 49ers, 33-15. (AP Photo/Bill Kostroun)

New York Giants quarterback Eli Manning (10) calls signals in their NFL football game against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007.(AP Photo/Kathy Willens)

The New York Giants on the sidelines in their NFL football game against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007.(AP Photo/Kathy Willens)

New York Giants running back Brandon Jacobs (27), top, and New York Giants tight end Jeremy Shockey (80) celebrated Jacobs' second-quarter touchdown in their NFL football game against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007. (AP Photo/Kathy Willens)

New York Giants' Michael Strahan, left, celebrates with Sam Madison after Madison intercepted a pass during second quarter NFL football against the San Francisco 49ers Sunday, Oct. 21, 2007 at Giants Stadium in East Rutherford, N.J. The Giants beat the 49ers 33-15. (AP Photo/Bill Kostroun)

San Francisco 49ers quarterback Trent Dilfer, right, tackles New York Giants linebacker Antonio Pierce (58) after Pierce intercepted Dilfer's pass in the fourth quarter of the Giants 33-15 victory over the 49ers in their NFL football game at Giants Stadium in East Rutherford, NJ, Sunday, Oct. 21, 2007.(AP Photo/Kathy Willens)

San Francisco 49ers quarterback Trent Dilfer (12) is hit by New York Giants defensive end Osi Umenyiora, rear, as defensive end Michael Strahan (92) closes in during first quarter NFL football Sunday, Oct. 21, 2007 at Giants Stadium in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants tight end Jeremy Shockey gestures toward the crowd for support in the Giants NFL football game against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007.(AP Photo/Kathy Willens)

New York Giants defensive end Osi Umenyiora (72) sacks San Francisco 49ers quarterback Trent Dilfer (12) in the first half of their NFL football game against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007. (AP Photo/Kathy Willens)

New York Giants wide receiver Amani Toomer (81) catches a four-yard pass from quarterback Eli Manning (not shown) to score the Giants first touchdown in their NFL football game against the San Francisco 49ers at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2007. San Francisco 49ers cornerback Shawntae Spencer looks on, right. (36)(AP Photo/Kathy Willens)

New York Giants linebacker Antonio Pierce (58) runs an intercepted pass back for 28 yards as San Francisco 49ers quarterback Trent Dilfer attempts to tackle him during fourth-quarter NFL football Sunday, Oct. 21, 2007, at Giants Stadium in East Rutherford, N.J. The Giants beat the 49ers, 33-15. (AP Photo/Bill Kostroun)

San Francisco 49ers quarterback Trent Dilfer, right, shoves New York Giants cornerback Aaron Ross after Ross sacked him during fourth quarter NFL football Sunday, Oct. 21, 2007 at Giants Stadium in East Rutherford, N.J. Dilfer was sacked six times as the Giants beat the 49ers 33-15. (AP Photo/Bill Kostroun)

New York Giants' Chase Blackburn (57) and James Butler (37) celebrate with Michael Johnson after Johnson intercepted a pass by the San Francisco 49ers during the second quarter of an NFL football game Sunday, Oct. 19, 2008, at Giants Stadium in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants' Justin Tuck #91 in action, brings down the San Francisco 49ers J.T. O'Sullivan #14 in their NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 19, 2008. (AP Photo/Kathy Willens)

New York Giants' Eli Manning (10) after a win against the San Francisco 49ers in their NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 19, 2008. (AP Photo/Kathy Willens)

San Francisco 49ers quarterback J.T. O'Sullivan (14) fumbles the ball as he is sacked by New York Giants defensive end Dave Tollefson, left, and linebacker Chase Blackburn during the fourth quarter of an NFL football game Sunday, Oct. 19, 2008 at Giants Stadium in East Rutherford, N.J. San Francisco recovered the ball. The Giants beat the 49ers 29-17. (AP Photo/Bill Kostroun)

New York Giants' Barry Cofield (96) in action, brings down the San Francisco 49ers J.T. O'Sullivan #14 in their NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 19, 2008. (AP Photo/Kathy Willens)

New York Giants' Brandon Jacobs (27) after a win against the San Francisco 49ers in their NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 19, 2008. (AP Photo/Kathy Willens)

San Francisco 49ers quarterback J.T. O'Sullivan (14) fumbles the ball as he is sacked by New York Giants defensive end Dave Tollefson, left, and linebacker Chase Blackburn during the fourth quarter of an NFL football game Sunday, Oct. 19, 2008 at Giants Stadium in East Rutherford, N.J. The Giants beat the 49ers 29-17.(AP Photo/Bill Kostroun)

New York Giants quarterback Eli Manning (10) listens as referee Walt Anderson (66) talks to back judge Terrence Miles about a third-quarter play in which Giants running back Ahamd Bradshaw apparently fumbled the ball in an NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 19, 2008. San Francisco 49ers defensive end Kentwan Balmer recovered the ball, but the referees ruled that the call should be reversed. (AP Photo/Kathy Willens)

San Francisco 49ers quarterback J.T. O'Sullivan (14) dives for a loose ball after fumbling it while handing off to running back Frank Gore (21) as New York Giants defensive end Mathias Kiwanuka (97) makes the tackle in the fourth quarter of an NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 19, 2008. The play was ruled a sack for 8 yards, but resulted in a safety after 49ers wide receiver Josh Morgan kicked the ball through the end zone. (AP Photo/Kathy Willens)

New York Giants quarterback Eli Manning, left, passes the ball as tackle David Diehl blocks San Francisco 49ers defensive end Justin Smith during the third quarter of an NFL football game Sunday, Oct. 19, 2008 at Giants Stadium in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants running back Brandon Jacobs (27) celebrates his touchdown in the end zone as teammate Chris Snee (76) joins in over San Francisco 49ers cornerback Walt Harris (27) in the second quarter of an NFL football game at Giants Stadium in East Rutherford, N.J., Sunday, Oct. 19, 2008. (AP Photo/Kathy Willens)

New York Giants' Zak DeOssie celebrates after making a tackle during the second quarter of an NFL football game against the San Francisco 49ers on Sunday, Oct. 19, 2008, at Giants Stadium in East Rutherford, N.J. The Giants beat the 49ers 29-17. (AP Photo/Bill Kostroun)

New York Giants defensive end Dave Tollefson celebrates after sacking San Francisco 49ers quarterback J.T. O'Sullivan during the first quarter of an NFL football game Sunday, Oct. 19, 2008, at Giants Stadium in East Rutherford, N.J. The Giants had six sacks as they beat the 49ers 29-17. (AP Photo/Bill Kostroun)

New York Giants quarterback Eli Manning, left, passes the ball as he is pressured by San Francisco 49ers defensive tackle Aubrayo Franklin during the first quarter of an NFL football game Sunday, Oct. 19, 2008, at Giants Stadium in East Rutherford, N.J. The Giants beat the 49ers 29-17. (AP Photo/Bill Kostroun)

New York Giants running back Brandon Jacobs, right, slips inside San Francisco 49ers cornerback Walt Harris to score a touchdown during the second quarter of an NFL football game Sunday, Oct. 19, 2008 at Giants Stadium in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants quarterback Eli Manning (10) passes against the San Francisco 49ers in the first quarter of an NFL football game in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Marcio Jose Sanchez)

The New York Giants and the San Francisco 49ers huddle under a mobile television camera in the first quarter of an NFL football game in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Ben Margot)

A San Francisco 49ers fan, left, and a New York Giants fan are shown in the parking lot of Candlestick Park before an NFL football game between the San Francisco 49ers and the New York Giants in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Marcio Jose Sanchez)

New York Giants kicker Lawrence Tynes (9) kicks a 23-yard field goal against the San Francisco 49ers in the first quarter of an NFL football game in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Marcio Jose Sanchez)

New York Giants quarterback Eli Manning (10) calls a play at the line of scrimmage against the San Francisco 49ers in the first quarter of an NFL football game in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Marcio Jose Sanchez)

New York Giants quarterback Eli Manning (10) calls a play under a mobile television camera in the first quarter of an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Ben Margot)

New York Giants tight end Bear Pascoe (86) carries the ball as San Francisco 49ers linebacker NaVorro Bowman (53) moves in to tackle in the first quarter of an NFL football game in San Francisco, Sunday, Nov. 13, 2011. At left is 49ers linebacker Parys Haralson. (AP Photo/Ben Margot)

New York Giants tight end Jake Ballard (85) is tackled by San Francisco 49ers cornerback Tarell Brown in the second quarter of an NFL football game in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Marcio Jose Sanchez)

New York Giants coach Tom Coughlin, right, encourages his players as they stretch during an NFL football practice Thursday, Jan. 19, 2012, in East Rutherford, N.J. The Giants travel to San Francisco to play the 49ers in the NFC championship game on Sunday, Jan. 22. (AP Photo/Bill Kostroun)

New York Giants' Chris Canty (99), Osi Umenyiora (72), Jason Pierre-Paul (90) and Justin Tuck share a laugh during NFL football practice, Thursday, Jan. 19, 2012, in East Rutherford, N.J. The Giants are scheduled to play the San Francisco 49ers in the NFC championship game on Sunday, Jan. 22, in San Francisco. (AP Photo/Bill Kostroun)

New York Giants quarterback Eli Manning speaks to the media after NFL football practice, Thursday, Jan. 19, 2012, in East Rutherford, N.J. The Giants are scheduled to play the San Francisco 49ers in the NFC championship game on Sunday, Jan. 22, in San Francisco. (AP Photo/Bill Kostroun)

New York Giants coach Tom Coughlin watches his players during NFL football practice Friday, Jan. 20, 2012, in East Rutherford, N.J. The Giants travel to San Francisco to play the 49ers in the NFC championship game on Sunday, Jan. 22. (AP Photo/Bill Kostroun)

New York Giants head coach Tom Coughlin talks to some players before the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Julie Jacobson)

Víctor Cruz (80), de los Giants de Nueva York, atrapa un pase ante la mirada de Carlos Rogers, de los 49ers de San Francisco, durante la primera mitad del partido de campeonato de la Conferencia Nacional de la NFL, el domingo 22 de enero de 2012. (AP Foto/Marcio José Sánchez)

New York Giants' Bear Pascoe (86) breaks into the end zone with San Francisco 49ers' Dashon Goldson (38) defending during the first half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Paul Sakuma)

New York Giants tight end Bear Pascoe, right, celebrates with tight end Jake Ballard after scoring on a six-yard touchdown pass against the San Francisco 49ers during the first half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Paul Sakuma)

New York Giants' Ahmad Bradshaw (44) tries to run past San Francisco 49ers' Patrick Willis (52) during the first half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Paul Sakuma)

San Francisco 49ers' Alex Smith is tripped up by New York Giants' Kenny Phillips (21) after a run during the first half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/David J. Phillip)

New York Giants' Mario Manningham catches a touchdown pass in front of San Francisco 49ers' Tramaine Brock (26) during the second half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Paul Sakuma)

New York Giants' Eli Manning throws while being pressured by San Francisco 49ers' Ahmad Brooks (55) during the second half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Paul Sakuma)

New York Giants' Henry Hynoski (45) is tackled by San Francisco 49ers' Tarell Brown (25) during the first half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/David J. Phillip)

San Francisco 49ers' Kyle Williams (10) fumbles a punt as New York Giants' Devin Thomas (15) recovers during overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Julie Jacobson)

San Francisco 49ers' Kyle Williams (10) fumbles as he is hit by New York Giants' Jacquian Williams (57) during overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Paul Sakuma)

San Francisco 49ers' Chris Culliver (29) watches as New York Giants' Devin Thomas (15) recovers a fumbled punt by Kyle Williams during overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Julie Jacobson)

New York Giants' Devin Thomas (15) celebrates after recovering a fumble during overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Paul Sakuma)

Kyle Williams (10) de los 49es de San Francisco pierde el balón mientras regresa una patada en tiempo extra al ser golpeado por Jacquian Williams de los Giants el domingo 22 de enero del 2012 en el partido por el campeonato de la Conferencia Nacional, que se adjudicó Nueva York. (Foto AP/Paul Sakuma)

New York Giants quarterback Eli Manning is sacked by San Francisco 49ers' Patrick Willis during the second half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Marcio Jose Sanchez)

New York Giants' Victor Cruz (80) catches a pass in front of San Francisco 49ers' Carlos Rogers (22) during the first half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/David J. Phillip)

New York Giants head coach Tom Coughlin argues a call with head linesman Mark Hittner (28) during the first half of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/David J. Phillip)

New York Giants' Eli Manning throws with San Francisco 49ers' Tarell Brown (25) and Aldon Smith (99) rushing during the second half of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Julie Jacobson)

New York Giants kicker Lawrence Tynes (9) kicks the game-winning field goal during overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

La euforia se desata entre los Giants de Nueva York el domingo 22 de enero del 2012 luego de que el pateador Lawrence Tynes (9) les dio el triunfo sobre los 49ers de San Francisco junto con el boleto al Super Bowl. (Foto AP/Marcio José Sánchez)

New York Giants kicker Lawrence Tynes (9) celebrates with holder Steve Weatherford (5) after kicking the game-winning field goal during overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants' Lawrence Tynes reacts after kicking the game-winning field goal during overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants kicker Lawrence Tynes (9) celebrates after making a field goal with punter Steve Weatherford (5) during overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Jeff Chiu)

New York Giants' Hakeem Nicks celebrates after overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Paul Sakuma)

New York Giants Eli Manning and Giants Chairman and Executive Vice President Steve Tisch look at the George Halas Trophy in the locker room after the Giants beat the San Francisco 49ers in overtime at the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants quarterback Eli Manning, left, and guard David Diehl (66) celebrate in the locker room after the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 overtime to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants defensive back Derrick Martin (22) celebrates in the locker room after the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 in overtime to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

San Francisco 49ers running back Frank Gore (21) talks with New York Giants quarterback Eli Manning (10) after overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Marcio Jose Sanchez)

New York Giants' Eli Manning, right, celebrates with teammate Hakeem Nicks after overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Paul Sakuma)

New York Giants wide receiver Devin Thomas (15) celebrates in front of San Francisco 49ers punter Andy Lee (4) after overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants' Eli Manning wears a Super Bowl hat after overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Julie Jacobson)

New York Giants coach Tom Coughlin speaks during a news conference after his team beat the San Francisco 49ers in overtime at the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Paul Sakuma)

San Francisco 49ers head coach Jim Harbaugh speaks at a news conference after the NFC Championship NFL football game against the New York Giants Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 in overtime to advance to Super Bowl XLVI. (AP Photo/Paul Sakuma)

New York Giants fans celebrate after their team beat the San Francisco 49ers in overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Julie Jacobson)

San Francisco 49ers fans sits in the stands after their team lost to the New York Giants in overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/Julie Jacobson)

New York Giants Eli Manning and Giants Chairman and Executive Vice President Steve Tisch look at the George Halas Trophy in the locker room after the Giants beat the San Francisco 49ers in overtime at the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants head coach Tom Coughlin, center, celebrates with players in the locker room after the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 in overtime to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants head coach Tom Coughlin, center, celebrates with players in the locker room after the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 in overtime to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants' Eli Manning wears a Super Bowl hat in the locker room after overtime of the NFC Championship NFL football game against the San Francisco 49ers Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

Hats touting the New York Giant's conference championship are displayed at Modell's in New York, Monday, Jan. 23, 2012. The Giants beat the San Francisco 49ers in the NFC Championship on Sunday and will take on the New England Patriots in Super Bowl XLVI in Indianapolis on Feb. 5. (AP Photo/Seth Wenig)

New York Giants tight end Larry Donnell (84) catches a pass over San Francisco 49ers inside linebacker Michael Wilhoite (57) during the first half of an NFL football game Sunday, Nov. 16, 2014, in East Rutherford, N.J. (AP Photo/Julio Cortez)

San Francisco 49ers wide receiver Steve Johnson (13) signals a first down after a play during the second half of an NFL football game against the San Francisco 49ers Sunday, Nov. 16, 2014, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants wide receiver Odell Beckham (13) crosses the goal line for a touchdown as San Francisco 49ers inside linebacker Michael Wilhoite (57) defends during the third quarter of an NFL football game, Sunday, Oct. 11, 2015, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Former New York Giants defensive end Osi Umenyiora gestures while speaking during the Giants' Ring of Honor ceremony at halftime of an NFL football game against the San Francisco 49ers, Sunday, Oct. 11, 2015, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Former New York Giant Chris Snee talks during the Giants' Ring of Honor ceremony at halftime of an NFL football game against the San Francisco 49ers, Sunday, Oct. 11, 2015, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants tight end Larry Donnell (84) comes down with a catch for the game-winning touchdown as San Francisco 49ers strong safety Antoine Bethea (41) and inside linebacker NaVorro Bowman (53) defend during the fourth quarter of an NFL football game, Sunday, Oct. 11, 2015, in East Rutherford, N.J. The Giants won 30-27. (AP Photo/Seth Wenig)

New York Giants tight end Larry Donnell (84) is congratulated by teammates after scoring the game-winning touchdown against the San Francisco 49ers during the fourth quarter of an NFL football game, Sunday, Oct. 11, 2015, in East Rutherford, N.J. (AP Photo/Seth Wenig)

New York Giants head coach Tom Coughlin reacts during the fourth quarter of an NFL football game against the San Francisco 49ers, Sunday, Oct. 11, 2015, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Former NFL player Peyton Manning (left) talks with his brother New York Giants quarterback Eli Manning (10) prior to an NFL football game against the San Francisco 49ers on Sunday, Nov. 12, 2017, in Santa Clara, Calif. (NFL Photos via AP)

New York Giants quarterback Eli Manning (10) prepares for the snap during an NFL football game against the San Francisco 49ers on Sunday, Nov. 12, 2017, in Santa Clara, Calif. (NFL Photos via AP)