New York Giants defensive coordinator Steve Spagnuolo is seen during football training camp in Albany, N.Y., Friday, July 25, 2008. (AP Photo/Mike Groll)

New York Giants defensive coordinator Steve Spagnuolo, left, and coach Tom Coughlin talk with linebacker Antonio Pierce, right, during the second quarter of an NFL football game Seattle Seahawks on Sunday, Oct. 5, 2008, at Giants Stadium in East Rutherford, N.J. The Giants beat the Seahawks 44-6. (AP Photo/Bill Kostroun)

New York Giants defensive coordinator Steve Spagnuolo makes a point during football mini-camp Thursday, June 14, 2007, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants interim head coach Steve Spagnuolo speaks to reporters after an NFL football game against the Philadelphia Eagles, Sunday, Dec. 17, 2017, in East Rutherford, N.J. The Eagles won 34-29. (AP Photo/Bill Kostroun)

New York Giants head coach Steve Spagnuolo watches his team play during the second half of an NFL football game against the Washington Redskins Sunday, Dec. 31, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants interim head coach Steve Spagnuolo looks on as his team prepares to take the field prior to an NFL football game against the Philadelphia Eagles, Sunday, Dec. 17, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants interim head coach Steve Spagnuolo walks on the field prior to an NFL football game against the Philadelphia Eagles, Sunday, Dec. 17, 2017, in East Rutherford, N.J. (AP Photo/Seth Wenig)

New York Giants interim head coach Steve Spagnuolo speaks after an NFL football game against the Arizona Cardinals, Sunday, Dec. 24, 2017, in Glendale, Ariz. The Cardinals won 23-0. (AP Photo/Ross D. Franklin)

New York Giants interim head coach Steve Spagnuolo, center, looks on as quarterback Eli Manning, front left, prepares for the snap against the Philadelphia Eagles during the first half of an NFL football game, Sunday, Dec. 17, 2017, in East Rutherford, N.J. (AP Photo/Seth Wenig)

New York Giants interim head coach Steve Spagnuolo, left, talks to umpire Butch Hannah (40) during the first half of an NFL football game against the Philadelphia Eagles, Sunday, Dec. 17, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants defensive coordinator Steve Spagnuolo talks with Kansas City Chiefs head coach Andy Reid before a NFL football game on Sunday, November 19, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants head coach Steve Spagnuolo, left, hugs quarterback Eli Manning (10) after an NFL football game against the Washington Redskins, Sunday, Dec. 31, 2017, in East Rutherford, N.J. The Giants won 18-10. (AP Photo/Mark Lennihan)

New York Giants interim coach Steve Spagnuolo leads the team out of the tunnel before an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants interim coach Steve Spagnuolo leads the team out of the tunnel before an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants interim coach Steve Spagnuolo gestures before an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants interim head coach Steve Spagnuolo answers questions during a news conference after an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

New York Giants interim head coach Steve Spagnuolo runs onto the field before an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants interim head coach Steve Spagnuolo, right, works with Ross Cockrell during an NFL football practice in East Rutherford, N.J., Wednesday, Dec. 6, 2017. (AP Photo/Seth Wenig)

New York Giants interim head coach Steve Spagnuolo, walks on the field before an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

New York Giants interim head coach Steve Spagnuolo, left, talks with long snapper Zak DeOssie (51) before an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

New York Giants interim head coach Steve Spagnuolo participates in an NFL football practice in East Rutherford, N.J., Wednesday, Dec. 6, 2017. (AP Photo/Seth Wenig)

New York Giants interim head coach Steve Spagnuolo gives a thumbs-up during an NFL football practice in East Rutherford, N.J., Wednesday, Dec. 6, 2017. (AP Photo/Seth Wenig)

New York Giants defensive coordinator Steve Spagnuolo during the National Anthem before a week 17 NFL football game against the on January 3, 2016 in East Rutherford, NJ. (Evan Pinkus via AP)

New York Giants Defensive Coordinator Steve Spagnuolo heads toward the field before a preseason NFL football game against the New York Jets Saturday, Aug. 26, 2017, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants defensive coordinator Steve Spagnuolo runs onto the field before the first half of an NFL football game against the Tampa Bay Buccaneers Sunday, Oct. 1, 2017, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

New York Giants defensive coordinator Steve Spagnuolo, right, runs a drill with his players during the team's organized team activities at its NFL football training facility, Thursday, May 25, 2017, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants defensive coordinator Steve Spagnuolo talks to reporters during NFL football rookie minicamp , Friday, May 12, 2017, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants defensive coordinator Steve Spagnuolo, back, looks on as linebacker Curtis Grant makes a catch during NFL football practice, Wednesday, Aug. 23, 2017, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants interim head coach Steve Spagnuolo during a NFL football game against the Arizona Cardinals on Sunday December 24, 2017 in Glendale, Ariz. (Evan Pinkus via AP)

New York Giants linebacker Jon Beason (52) talks with defensive coordinator Steve Spagnuolo during training camp practice on July 31, 2015 at the Quest Diagnostics Training Center in East Rutherford, New Jersey (AP Photo/Evan Pinkus)

Dallas Cowboys head coach Jason Garrett (left) talks with New York Giants interim coach Steve Spagnuolo (right)
during a 2017 NFL week 14 regular season game against the New York Giants, Sunday, Dec. 10, 2017 in East Rutherford, N.J. The Cowboys defeated the Giants, 30-10. (James D. Smith via AP)

New York Giants interim head coach Steve Spagnuolo talks to his team following an NFL football game against the Washington Redskins on Sunday December 31, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

Philadelphia Eagles head coach Doug Pederson talks with New York Giants defensive coordinator Steve Spagnuolo before a week 9 NFL football game on November 6, 2016 in East Rutherford, NJ. (Evan Pinkus via AP)

Defensive coordinator Steve Spagnuolo makes a call from the sideline during NFL football game against the Cleveland. Browns on Monday August 21, 2017 in Cleveland. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with Green Bay Packers quarterback Aaron Rodgers (12) following a week 5 NFL football game on October 9, 2016 in Green Bay, Wisconsin (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with New York Giants outside linebacker Devon Kennard (59) during a week 1 Sunday Night football game against the Dallas Cowboys on September 13, 2015 at AT&T Stadium in Arlington, Texas.
( Evan Pinkus via AP)

\New York Giants interim head coach Steve Spagnuolo talks to his team before a NFL football game against the Dallas Cowboys on Sunday December 10, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo, left, and head coach Tom Coughlin, right, work the sidelines in the first half of an NFL preseason football game against the Cincinnati Bengals in Cincinnati, Friday, Aug. 14, 2015. (AP Photo/Gary Landers)

New York Giants defensive coordinator Steve Spagnuolo talks to the defense during a NFL football game against the Oakland Raiders on Sunday, December 3, 2017 in Oakland, Calif. (Evan Pinkus via AP)

New York Giants interim head coach Steve Spagnuolo during a NFL football game against the Washington Redskins on Sunday December 31, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with quarterback Eli Manning (10) following a week 5 NBC Sunday Night NFL football game against the San Francisco 49erson October 11, 2015 at Met Life Stadium in East Rutherford, New Jersey (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo congratulates his defense after a change of possession against the New York Jets Saturday Aug. 26, 2017 in East Rutherford, N.J. (Damian Strohmeyer via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with linebacker Jon Beason (52) during a week 4 NFL football game against the Buffalo Bills on October 4, 2015 at Ralph Wilson Stadium in Buffalo, New York (Evan Pinkus via AP)

New York Giants interim head coach Steve Spagnuolo during a NFL football game against the Dallas Cowboys on Sunday December 10, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with New York Giants linebacker Calvin Munson (46) during a NFL football game against the San Francisco 49ers on Sunday, November 12, 2017 in Santa Clara, Calif. (Evan Pinkus via AP)

Former NFL quarterback Archie Manning, center, talks with his son, New York Giants quarterback Eli Manning, left, and defensive coordinator Steve Spagnuolo during NFL football minicamp, Thursday, June 18, 2015, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants defensive coordinator Steve Spagnuolo during NFL mini-camp on April 28, 2016 at the Quest Diagnostics Training Center in East Rutherford, New Jersey. (Evan Pinkus via AP)

New York Giants interim head coach Steve Spagnuolo during a NFL football game against the Dallas Cowboys on Sunday December 10, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants interim head coach Steve Spagnuolo hugs quarterback Eli Manning (10) after an NFL football game against the Washington Redskins on Sunday December 31, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo walks into the stadium prior to an NFL football game against the Los Angeles Rams at Twickenham Stadium on Sunday, Oct. 23, 2016 in London. (Ben Liebenberg via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with former player Justin Tuck during NFL training camp practice on August 3, 2016 at the Quest Diagnostics Training Center in East Rutherford, New Jersey. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo work the sideline in the first half of an NFL preseason football game against the New York Giants in Cincinnati, Friday, Aug. 14, 2015. (AP Photo/Gary Landers)

New York Giants defensive coordinator Steve Spagnuolo walks with former linebacker Antonio Pierce during NFL football training camp on July 28, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo watches drills during NFL football mini camp, Tuesday, June 16, 2015, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants defensive coach Steve Spagnuolo looks on from the sidelines during an NFL football game against the Los Angeles Rams at Twickenham Stadium on Sunday, Oct. 23, 2016 in London. (Ben Liebenberg via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with quarterback Eli Manning (10) during NFL training camp practice on August 9, 2016 at the Quest Diagnostics Training Center in East Rutherford, New Jersey. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo talks to his players during an NFL football mini camp, Tuesday, June 16, 2015, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants defensive coordinator Steve Spagnuolo arrives before an NFL football game against the New Orleans Saints in New Orleans, Sunday, Nov. 1, 2015. (AP Photo/Jonathan Bachman)22

New York Giants defensive coordinator Steve Spagnuolo talks to the defense during the second half of a preseason NFL football game against the Jacksonville Jaguars Saturday, Aug. 22, 2015, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants defensive coordinator Steve Spagnuolo during a week 14 NFL Sunday Night Football game against the Dallas Cowboys on December 11, 2016 in East Rutherford, NJ. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo looks at his Microsoft Surface tablet while talking to linebacker Mark Herzlich (94) during a preseason week 4 NFL football game against the New England Patriots on September 1, 2016 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants head coach Tom Coughlin shakes hands with St. Louis Rams head coach Steve Spagnuolo following an NFL football game on Monday September 19, 2011 at MetLife Stadium in East Rutherford, New Jersey (AP Photo/Evan Pinkus)

New York Giants defensive coordinator Steve Spagnuolo talks to reporters during the NFL football team's minicamp, Wednesday, June 15, 2016, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Giants interim head coach Steve Spagnuolo receives a game ball following an NFL football game against the Washington Redskins on Sunday December 31, 2017 in East Rutherford, N.J. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo looks on during a week 9 NFL football against the New York Giants on Sunday, Nov. 5, 2017 in East Rutherford, N.J. Los Angeles won 51-17. (Aaron M. Sprecher via AP)

New York Giants defensive coordinator Steve Spagnuolo during NFL training camp practice on July 31, 2016 at the Quest Diagnostics Training Center in East Rutherford, New Jersey. (Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo talks with linebacker Antonio Pierce (58) during an NFL divisional football playoff game against the Philadelphia EaglesSunday, Jan. 11, 2009 at Giants Stadium in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants defensive coordinator Steve Spagnuolo talks to his players during the fourth quarter of an NFL football game against the Seattle Seahawks Sunday, Oct. 5, 2008 at Giants Stadium in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants defensive coach Steve Spagnuolo looks on from the sidelines during an NFL football game against the Los Angeles Rams at Twickenham Stadium on Sunday, Oct. 23, 2016 in London. (Ben Liebenberg via AP)

New York Giants defensive coordinator Steve Spagnuolo is seen during football training camp in Albany, N.Y., Monday, July 28, 2008. (AP Photo/Mike Groll)

New York Giants head coach Tom Coughlin, left, and defensive coordinator Steve Spagnuolo talk on the sideline during the second quarter of the Super Bowl XLII football game against the New England Patriots at University of Phoenix Stadium on Sunday, Feb. 3, 2008 in Glendale, Ariz. (AP Photo/Eric Gay)

After signing autographs, New York Giants defensive coordinator Steve Spagnuolo, center, walks through the lobby at the team hotel Monday, Feb. 4, 2008, in Chandler, Ariz. The Giants defeated the New England Patriots 17-14 in Super Bowl XLII on Sunday. (Photo/Ross D. Franklin)

New York Giants defensive coordinator Steve Spagnuolo walks amongst rows of players as they stretch at the start of football practice Thursday, Jan. 31, 2008 in Tempe, Ariz. The Giants play the New England Patriots in Super Bowl XLII on Sunday.(AP Photo/Julie Jacobson)

New York Giants defensive coordinator Steve Spagnuolo speaks with reporters in Albany, N.Y., Wednesday, July 23, 2008 as the Giants prepare to begin their summer football training camp. (AP Photo/Tim Roske)

New York Giants defensive coordinator Steve Spagnuolo directs the cornerbacks as Corey Webster (23) looks on during the NFL football team's practice Saturday, Jan. 26, 2008, in East Rutherford, N.J. The Giants take on the New England Patriots in Super Bowl XLII on Sunday, Feb. 3, in Glendale, Ariz. (AP Photo/Bill Kostroun)

New York Giants defensive coordinator Steve Spagnuolo looks on during practice at Giants NFL training camp Sunday, July 29, 2007, in Albany, N.Y. (AP Photo/Bill Kostroun)

New York Giants defensive coordinator Steve Spagnuolo directs the cornerbacks during the NFL football team's practice Saturday, Jan. 26, 2008, in East Rutherford, N.J. The Giants take on the New England Patriots in Super Bowl XLII on Sunday, Feb. 3, in Glendale, Ariz. (AP Photo/Bill Kostroun)

New York Giants defensive coordinator Steve Spagnuolo talks with Dallas Cowboys quarterback Tony Romo before a week 7 NFL football game on October 25, 2015 at Met Life Stadium in East Rutherford, New Jersey ( Evan Pinkus via AP)

New York Giants defensive coordinator Steve Spagnuolo talks about Sunday's NFC Championship game against the Green Bay Packers after practice at Giants Stadium Thursday, Jan. 17, 2008 in East Rutherford, N.J. The Giants will play the Packers for the right to play in the Super Bowl on Feb. 3. (AP Photo/Julie Jacobson)