Ohio State running back J.K. Dobbins (2) during the first half of the Fiesta Bowl NCAA college football game against Clemson, Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Rick Scuteri).

Ohio State running back J.K. Dobbins, right, runs with the ball past Wisconsin cornerback Derrick Tindal during the second half of the Big Ten championship NCAA college football game, Saturday, Dec. 2, 2017, in Indianapolis. (AP Photo/AJ Mast)

Ohio State running back J.K. Dobbins (2) during the first half of the Fiesta Bowl NCAA college football game against Clemson, Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Rick Scuteri).

Ohio State running back J.K. Dobbins (2) during the first half of the Fiesta Bowl NCAA college football game against Clemson, Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Rick Scuteri).

Ohio State running back J.K. Dobbins runs for a 33-yard touchdown against Michigan in the second half of an NCAA college football game in Ann Arbor, Mich., Saturday, Nov. 30, 2019. (AP Photo/Paul Sancya)

Ohio State running back J.K. Dobbins (2) during the first half of the Fiesta Bowl NCAA college football game against Clemson, Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Rick Scuteri).

Ohio State running back J.K. Dobbins carries for a touchdown during the first half of the team's Fiesta Bowl NCAA college football game playoff semifinal against Clemson on Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Ohio State running back J.K. Dobbins (2) during the first half of the Fiesta Bowl NCAA college football game against Clemson, Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Rick Scuteri).

Ohio State running back J.K. Dobbins (2) rushes in the first quarter of an NCAA college football game against Michigan in Ann Arbor, Mich., Saturday, Nov. 30, 2019. (AP Photo/Tony Ding)

Ohio State running back J.K. Dobbins (2) during the first half of the Fiesta Bowl NCAA college football game against Clemson, Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Rick Scuteri).

Ohio State running back J.K. Dobbins fails to hang on to a pass as he crosses the goal line, as Clemson defensive end Justin Foster watches during the first half of the Fiesta Bowl NCAA college football playoff semifinal Saturday, Dec. 28, 2019, in Glendale, Ariz. Dobbins did not score on the play. (AP Photo/Ross D. Franklin)

Ohio State running back J.K. Dobbins (2) during the first half of the Fiesta Bowl NCAA college football game against Clemson, Saturday, Dec. 28, 2019, in Glendale, Ariz. (AP Photo/Rick Scuteri).

Ohio State running back J.K. Dobbins runs for a 33-yard touchdown against Michigan in the second half of an NCAA college football game in Ann Arbor, Mich., Saturday, Nov. 30, 2019. (AP Photo/Paul Sancya)

Ohio State running back J.K. Dobbins, right, cuts up field against Penn State defensive back Lamont Wade during the first half of an NCAA college football game Saturday, Nov. 23, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) runs during the first half of the Big Ten championship NCAA college football game against Wisconsin, Saturday, Dec. 7, 2019, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins plays against Miami (Ohio) during an NCAA college football game Saturday, Sept. 21, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) runs past Wisconsin linebacker Jack Sanborn during the second half of the Big Ten championship NCAA college football game Saturday, Dec. 7, 2019, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins (2) runs during the first half of the Big Ten championship NCAA college football game against Wisconsin, Saturday, Dec. 7, 2019, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins plays against Maryland during an NCAA college football game Saturday, Nov. 9, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) rushes against Rutgers during the first half of an NCAA college football game Saturday, Nov. 16, 2019, in Piscataway, N.J. Ohio State won 56-21. (AP Photo/Adam Hunger)

Ohio State running back J.K. Dobbins plays against Maryland during an NCAA college football game Saturday, Nov. 9, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) runs during the first half of the Big Ten championship NCAA college football game against Wisconsin, Saturday, Dec. 7, 2019, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins plays against Wisconsin during an NCAA college football game Saturday, Oct. 26, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins plays against Wisconsin during an NCAA college football game Saturday, Oct. 26, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins scores on a pass from quarterback Justin Fields during the first half of an NCAA college football game against Northwestern, Friday, Oct. 18, 2019, in Evanston, Ill. (AP Photo/Charles Rex Arbogast)

Ohio State running back J.K. Dobbins plays against Wisconsin during an NCAA college football game Saturday, Oct. 26, 2019, in Columbus, Ohio. Ohio State beat Wisconsin 38-7. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins plays against Wisconsin during an NCAA college football game Saturday, Oct. 26, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) runs past Indiana defensive back Devon Matthews (27) during the first half of an NCAA college football game, Saturday, Sept. 14, 2019, in Bloomington, Ind. (AP Photo/Darron Cummings)

Ohio State running back J.K. Dobbins plays against Florida Atlantic in an NCAA college football game Saturday, Aug. 31, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins plays against Cincinnati during an NCAA college football game Saturday, Sept. 7, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) celebrates after scoring a touchdown during the first half of an NCAA college football game against Indiana, Saturday, Sept. 14, 2019, in Bloomington, Ind. (AP Photo/Darron Cummings)

Ohio State running back J.K. Dobbins plays against Florida Atlantic during an NCAA college football game Saturday, Aug. 31, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) is tackled by Northwestern linebacker Blake Gallagher during the first half of the Big Ten championship NCAA college football game, Saturday, Dec. 1, 2018, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins (2) carries with the ball as Northwestern's Cameron Ruiz (18) defends during the first half of the Big Ten championship NCAA college football game, Saturday, Dec. 1, 2018, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins carries the ball against Florida Atlantic during an NCAA football game on Saturday, Aug. 31, 2019 in Columbus, Ohio. (AP Photo/Paul Vernon)

Ohio State running back J.K. Dobbins (2) runs against TCU during the second half of an NCAA college football game in Arlington, Texas, Saturday, Sept. 15, 2018. Ohio State won 40-28. (AP Photo/Michael Ainsworth)

Ohio State running back J.K. Dobbins (2) runs during the second half of the Big Ten championship NCAA college football game against Northwestern, Saturday, Dec. 1, 2018, in Indianapolis. (AP Photo/AJ Mast)

Ohio State running back J.K. Dobbins plays against Nebraska during an NCAA college football game Saturday, Nov. 3, 2018, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins runs with the ball during the first half of the Big Ten championship NCAA college football game against Northwestern, Saturday, Dec. 1, 2018, in Indianapolis. (AP Photo/Darron Cummings)

Ohio State running back J.K. Dobbins runs with the ball during the first half of the Big Ten championship NCAA college football game against Northwestern, Saturday, Dec. 1, 2018, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins (2) runs against TCU during the first half of an NCAA college football game in Arlington, Texas, Saturday, Sept. 15, 2018. (AP Photo/Michael Ainsworth)

Ohio State running back J.K. Dobbins, left, breaks away from Nebraska defensive back Lamar Jackson to score a touchdown during the second half of an NCAA college football game Saturday, Nov. 3, 2018, in Columbus, Ohio. Ohio State beat Nebraska 36-31. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins runs with the ball during the second half of the Big Ten championship NCAA college football game against Wisconsin, Saturday, Dec. 2, 2017, in Indianapolis. (AP Photo/AJ Mast)

Ohio State's J.K. Dobbins (2) is tackled by Wisconsin's T.J. Edwards during the second half of the Big Ten championship NCAA college football game, Saturday, Dec. 2, 2017, in Indianapolis. (AP Photo/Michael Conroy)

Ohio State running back J.K. Dobbins runs with the ball during the second half of the Big Ten championship NCAA college football game against Wisconsin, Saturday, Dec. 2, 2017, in Indianapolis. (AP Photo/Darron Cummings)

Ohio State running back J.K. Dobbins celebrates a touchdown against Oklahoma during an NCAA college football game Saturday, Sept. 10, 2017, in Columbus, Ohio. Oklahoma won 31-16. (AP Photo/Paul Vernon)

Ohio State's J.K. Dobbins in action during the first half of an NCAA college football game against Indiana, Thursday, Aug. 31, 2017, in Bloomington, Ind. (AP Photo/Darron Cummings)

Ohio State running back J.K. Dobbins plays against Illinois during an NCAA college football game Saturday, Nov. 18, 2017, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins plays against Illinois during an NCAA college football game Saturday, Nov. 18, 2017, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins (2) runs for a touchdown during the first half of an NCAA college football game against Nebraska in Lincoln, Neb., Saturday, Oct. 14, 2017. (AP Photo/Nati Harnik)

Ohio State running back J.K. Dobbins plays against Penn State during an NCAA college football game Saturday, Oct. 28, 2017, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins outruns the Army defense to score a touchdown during the second half of an NCAA college football game Saturday, Sept. 16, 2017, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins plays against Oklahoma during the first half of an NCAA college football game Saturday, Sept. 9, 2017, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins plays against Maryland during an NCAA college football game Saturday, Oct. 7, 2017, in Columbus, Ohio. (AP Photo/Jay LaPrete)

Ohio State running back J.K. Dobbins runs against Oklahoma during an NCAA college football game Saturday, Sept. 10, 2017, in Columbus, Ohio. Oklahoma won 31-16. (AP Photo/Paul Vernon)

Ohio State running back J. K. Dobbins speaks during a press conference at the NFL football scouting combine in Indianapolis, Wednesday, Feb. 26, 2020. (AP Photo/Michael Conroy)

Ohio State running back J K Dobbins watches the 40-yard dash at the NFL football scouting combine in Indianapolis, Friday, Feb. 28, 2020. (AP Photo/Charlie Neibergall)

Ohio State running back J.K. Dobbins speaks to the media during a press conference at the NFL football scouting combine, Wednesday, Feb. 26, 2020, in Indianapolis. (Aaron M. Sprecher via AP)

Ohio State running back J.K. Dobbins speaks to the media during a press conference at the NFL football scouting combine, Wednesday, Feb. 26, 2020, in Indianapolis. (Aaron M. Sprecher via AP)