Penn State's Saquon Barkley (26) scores a touchdown as Michigan's Josh Metellus (14) tries to chase him down during the first half of an NCAA college football game in State College, Pa., Saturday, Oct. 21, 2017. (AP Photo/Chris Knight)

Penn State running back Saquon Barkley (26) leaps over Washington defensive back Myles Bryant (5) during the second half of the Fiesta Bowl NCAA college football game Saturday, Dec. 30, 2017, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

In this Dec. 3, 2016, file photo, Penn State's Saquon Barkley (26) makes an 18-yard touchdown catch against Wisconsin's T.J. Watt (42) during the second half of the Big Ten championship NCAA college football game, in Indianapolis. (AP Photo/AJ Mast, File)

Penn State's Saquon Barkley (26) runs in for a touchdown as Iowa's Bo Bower (41) chases after him during the second half of an NCAA college football game in State College, Pa., Saturday, Nov. 5, 2016. Penn State won the game 41-14. (AP Photo/Chris Knight)

Penn State running back Saquon Barkley (26) against Washington during the Fiesta Bowl NCAA college football game, Saturday, Dec. 30, 2017, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Penn State's Saquon Barkley (26) hurdles Akron's Alvin Davis (1) during the first half of an NCAA college football game in State College, Pa., Saturday, Sept. 2, 2017. (AP Photo/Chris Knight)

Penn State running back Saquon Barkley (26) takes the field with his teammates prior to the Fiesta Bowl NCAA college football game against Washington, Saturday, Dec. 30, 2017, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Penn State's Saquon Barkley (26) celebrates with Mike Gesicki (88) after scoring a touchdown against Michigan during the second half of an NCAA college football game in State College, Pa., Saturday, Oct. 21, 2017. Penn State won 42-13. (AP Photo/Chris Knight)

Penn State's Saquon Barkley (26) hurdles Rutgers' Kiy Hester (2) during the second half of an NCAA college football game in State College, Pa., Saturday, Nov. 11, 2017. Penn State 35-6. (AP Photo/Chris Knight)

Penn State's Saquon Barkley (26) takes the ball 65 yards for a touchdown against Nebraska during the first half of an NCAA college football game in State College, Pa., Saturday, Nov. 18, 2017. (AP Photo/Chris Knight)

Penn State running back Saquon Barkley (26) leaps over Buffalo defenders safety Ryan Williamson (26) and linebacker Nick Gilbo (43) during the second half of an NCAA college football game in State College, Pa., Saturday, Sept. 12, 2015. (AP Photo/Gene J. Puskar)

Penn State Nittany Lions running back Saquon Barkley (26) celebrates against the USC Trojans during the Rose Bowl NCAA college football game, Monday, Jan. 2, 2017 in Pasadena, Calif.(Ben Liebenberg via AP)

Penn State Nittany Lions running back Saquon Barkley (26) finds a hole in the defensive line in the TaxSlayer Bowl against the Georgia Bulldogs, Saturday, Jan. 2, 2016 in Jacksonville, Fla. (Margaret Bowles via AP)

Penn State running back Saquon Barkley speaks during a press conference at the NFL football scouting combine, Thursday, March 1, 2018, in Indianapolis. (AP Photo/Darron Cummings)

Penn State running back Saquon Barkley performs a vertical jump drill at the NFL football scouting combine, Friday, March 2, 2018, in Indianapolis. (AP Photo/Darron Cummings)

Penn State running back Saquon Barkley runs a drill during the NFL football scouting combine, Friday, March 2, 2018, in Indianapolis. (AP Photo/Darron Cummings)

Penn State running back Saquon Barkley competes in the bench press at the 2018 NFL football scouting combine Thursday, March 1, 2018, in Indianapolis. (AP Photo/Gregory Payan)

Penn State running back Saquon Barkley runs the 40-yard dash at the NFL football scouting combine in Indianapolis, Friday, March 2, 2018. (AP Photo/Michael Conroy)