Iowa defensive end A.J. Epenesa (94) sacks Michigan quarterback Shea Patterson (2) during the first half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Paul Sancya)

Iowa defensive end A.J. Epenesa (94) warms up before a game against Northwestern an NCAA college football game, Saturday, Oct. 26, 2019, in Evanston, Ill. (AP Photo/David Banks)

Nebraska quarterback Adrian Martinez (2) is sacked by Iowa defensive end A.J. Epenesa during the first half of an NCAA college football game, Friday, Nov. 23, 2018, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa (94) plays against Northwestern during the second half of an NCAA college football game, Saturday, Oct. 26, 2019, in Evanston, Ill. (AP Photo/David Banks)

Iowa defensive end A.J. Epenesa (94) works against Southern California offensive tackle Austin Jackson (73) during the first half of the Holiday Bowl NCAA college football game Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa defensive end A.J. Epenesa (94) works against Southern California offensive tackle Austin Jackson (73) during the first half of the Holiday Bowl NCAA college football game Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa Hawkeyes end A.J. Epenesa during the first half of the Holiday Bowl NCAA college football game against Southern California Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa defensive end A.J. Epenesa (94) plays against Northwestern during the second half of an NCAA college football game, Saturday, Oct. 26, 2019, in Evanston, Ill. (AP Photo/David Banks)

Iowa defensive end A.J. Epenesa (94) during the first half of the Holiday Bowl NCAA college football game against Iowa Friday, Dec. 27, 2019, in San Diego. (AP Photo/Orlando Ramirez)

Iowa defensive end A.J. Epenesa, right, receives the defensive Most Valuable Player trophy following the team's Holiday Bowl NCAA college football game against Southern California on Friday, Dec. 27, 2019, in San Diego. Iowa won 49-24. (AP Photo/Orlando Ramirez)

Iowa defensive end A.J. Epenesa celebrates during the second half of an NCAA college football game against Illinois, Saturday, Nov. 23, 2019, in Iowa City, Iowa. Iowa won 19-10. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa (94) chases Michigan quarterback Shea Patterson (2) during the first half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Paul Sancya)

Illinois running back Reggie Corbin (2) is tackled by Iowa defensive end A.J. Epenesa (94) during the first half of an NCAA college football game, Saturday, Nov. 23, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa, top, sacks Minnesota quarterback Tanner Morgan during the second half of an NCAA college football game, Saturday, Nov. 16, 2019, in Iowa City, Iowa. (AP Photo/Matthew Putney)

Iowa defensive end A.J. Epenesa (94) plays against Michigan during the second half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Paul Sancya)

Iowa defensive end A.J. Epenesa (94) plays against Michigan during the first half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Paul Sancya)

Iowa defensive end A.J. Epenesa (94) warms up before a game against Northwestern an NCAA college football game, Saturday, Oct. 26, 2019, in Evanston, Ill. (AP Photo/David Banks)

Iowa defensive end A.J. Epenesa (94) runs up field during the first half of an NCAA college football game against Middle Tennessee, Saturday, Sept. 28, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa runs before an NCAA college football game against Michigan in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Paul Sancya)

Michigan running back Zach Charbonnet (24) rushes, defended by Iowa defensive end A.J. Epenesa (94), in the fourth quarter of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 5, 2019. Michigan won 10-3. (AP Photo/Tony Ding)

Iowa defensive end A.J. Epenesa runs up field during the first half of an NCAA college football game against Middle Tennessee, Saturday, Sept. 28, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa (94) plays against Michigan during the second half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Paul Sancya)

Iowa defensive end A.J. Epenesa (94) sacks Michigan quarterback Shea Patterson (2) during the first half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 5, 2019. (AP Photo/Paul Sancya)

Iowa defensive end A.J. Epenesa gets set for a play during the first half of an NCAA college football game against Middle Tennessee, Saturday, Sept. 28, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa (94) runs up field during the first half of an NCAA college football game against Middle Tennessee, Saturday, Sept. 28, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa warms up before an NCAA college football game against Miami of Ohio, Saturday, Aug. 31, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa during an NCAA football game on Saturday, Sept. 14, 2019 in Ames, Iowa. (AP Photo/Justin Hayworth)

Iowa defensive end A.J. Epenesa rushes up field during the second half of an NCAA college football game against Miami of Ohio, Saturday, Aug. 31, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa walks on the field during the first half of an NCAA college football game against Miami of Ohio, Saturday, Aug. 31, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa's A.J. Epenesa (94) celebrates after returning a fumble for a touchdown in the first half of a NCAA college football game against Illinois, Saturday, Nov. 17, 2018, in Champaign, Ill. (AP Photo/Holly Hart)

Iowa defensive end A.J. Epenesa (94) strips the ball from Mississippi State quarterback Nick Fitzgerald (7) during the first half of the Outback Bowl NCAA college football game Tuesday, Jan. 1, 2019, in Tampa, Fla. (AP Photo/Chris O'Meara)

Iowa defensive end A.J. Epenesa (94) strips the ball from Mississippi State quarterback Nick Fitzgerald (7) causing a fumble during the first half of the Outback Bowl NCAA college football game, Tuesday, Jan. 1, 2019, in Tampa, Fla. Iowa recovered the fumble. (AP Photo/Chris O'Meara)

FILE - In this Sept. 1, 2018, file photo, Iowa defensive end A.J. Epenesa, left, pressures Northern Illinois quarterback Marcus Childers during the second half of an NCAA college football game, in Iowa City, Iowa. Iowa's defensive line has a chance to be one of the best in school history. (AP Photo/Charlie Neibergall, File)

Michigan State quarterback Brian Lewerke (14) dives against Iowa linebacker Josey Jewell, left, and defensive end A.J. Epenesa (94) during an NCAA college football game, Saturday, Sept. 30, 2017, in East Lansing, Mich. (AP Photo/Al Goldis)

Purdue quarterback Elijah Sindelar is sacked by Iowa defensive end A.J. Epenesa, right, during the first half of an NCAA college football game, Saturday, Nov. 18, 2017, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end A.J. Epenesa watches from the sideline during the second half of an NCAA college football game against Northern Illinois, Saturday, Sept. 1, 2018, in Iowa City, Iowa. Iowa won 33-7. (AP Photo/Charlie Neibergall)