Photos: Iowa Hawkeyes linebacker Djimon Colbert

Iowa linebacker Djimon Colbert (32) and defensive back Jack Koerner combine to make a defensive play against Minnesota at Kinnick Stadium in Iowa City on Saturday, Nov. 16, 2019.

Iowa linebacker Djimon Colbert tackles Minnesota running back Rodney Smith in the first quarter at Kinnick Stadium in Iowa City on Saturday, Nov. 16, 2019.

Oct 19, 2019; Iowa City, IA, USA; Iowa Hawkeyes linebacker Djimon Colbert (32) reacts after tackling Purdue Boilermakers running back King Doerue (not shown) during the second quarter at Kinnick Stadium. Mandatory Credit: Jeffrey Becker-USA TODAY Sports

Oct 19, 2019; Iowa City, IA, USA; Iowa Hawkeyes linebacker Djimon Colbert (32) reacts after tackling Purdue Boilermakers running back King Doerue (32) during the second quarter at Kinnick Stadium. Mandatory Credit: Jeffrey Becker-USA TODAY Sports

Iowa linebacker Djimon Colbert (32) tackles Purdue wide receiver David Bell (3) during a NCAA Big Ten Conference football game between the Iowa Hawkeyes and Purdue, Saturday, Oct., 19, 2019, at Kinnick Stadium in Iowa City, Iowa.

Purdue quarterback Jack Plummer (13) slides to avoid tackles from Iowa linebacker Djimon Colbert (32) and Iowa defensive back Dane Belton (4) during a NCAA Big Ten Conference football game between the Iowa Hawkeyes and Purdue, Saturday, Oct., 19, 2019, at Kinnick Stadium in Iowa City, Iowa.

Iowa linebacker Djimon Colbert (32) and Iowa defensive back Geno Stone (9) tackle Purdue running back King Doerue (22) during a NCAA Big Ten Conference football game between the Iowa Hawkeyes and Purdue, Saturday, Oct., 19, 2019, at Kinnick Stadium in Iowa City, Iowa.

Iowa linebacker Djimon Colbert warms up prior to kickoff against Purdue on Saturday, Oct. 19, 2019, at Kinnick Stadium in Iowa City.

Iowa sophomore linebacker Djimon Colbert breaks up a pass intended for Purdue in the fourth quarter on Saturday, Oct. 19, 2019, at Kinnick Stadium in Iowa City.

Iowa linebacker Djimon Colbert (32) celebrates a stop with Iowa defensive back Matt Hankins (8) during a NCAA Big Ten Conference football game between the Iowa Hawkeyes and Purdue, Saturday, Oct., 19, 2019, at Kinnick Stadium in Iowa City, Iowa.

Iowa defensive lineman Chauncey Golston (57) struggles to get a new jersey fitted between plays on the sideline with some help from Iowa linebacker Djimon Colbert (32) after he tore his original one during a NCAA Big Ten Conference football game between the Iowa Hawkeyes and Penn State, Saturday, Oct., 12, 2019, at Kinnick Stadium in Iowa City, Iowa.

Iowa defensive back Jack Koerner (28) helps linebacker Djimon Colbert up to his feet against Middle Tennessee at Kinnick Stadium on Saturday, Sept. 28, 2019, in Iowa City.

Iowa State tight end Charlie Kolar catches a pass between Iowa defenders Djimon Colbert, left, and Jack Koerner during the second half of an NCAA college football game Saturday, Sept. 14, 2019, in Ames, Iowa. Iowa won 18-17. (AP Photo/Charlie Neibergall)

Iowa linebacker Djimon Colbert (32) tackles Rutgers running back Isaih Pacheco (1) during a NCAA Big Ten Conference football game against Rutgers, Saturday, Sept. 7, 2019, at Kinnick Stadium in Iowa City, Iowa.

Iowa linebacker Djimon Colbert (32) intercepts a pass during a NCAA Big Ten Conference football game against Rutgers, Saturday, Sept. 7, 2019, at Kinnick Stadium in Iowa City, Iowa.

Illinois quarterback A.J. Bush, Jr. (1) throws a shuffle pass as Iowa's Jack Hockaday (48) and Djimon Colbert (32) defend in the first half of a NCAA college football game, Saturday, Nov. 17, 2018, in Champaign, Ill. (AP Photo/Holly Hart)

Iowa linebacker Djimon Colbert (32) adjusts his mouth guard as Northwestern's Cameron Green (84) signals for a first down during a Big Ten Conference football game on Saturday, Nov. 10, 2018, at Kinnick Stadium in Iowa City.

Purdue wide receiver Rondale Moore (4) runs from Iowa linebacker Djimon Colbert (32) in the first half of an NCAA college football game in West Lafayette, Ind., Saturday, Nov. 3, 2018. Purdue won 38-36. (AP Photo/AJ Mast)

Indiana Hoosiers running back Reese Taylor (2) runs with the ball against Iowa Hawkeyes linebacker Djimon Colbert (32) during the first quarter at Memorial Stadium .

Iowa State running back David Montgomery, right, is tackled by Iowa linebacker Djimon Colbert during the second half of an NCAA college football game, Saturday, Sept. 8, 2018, in Iowa City, Iowa. Iowa won 13-3. (AP Photo/Matthew Putney)

Iowa defensive back Michael Ojemudia (11) celebrates a stop with teammate Djimon Colbert (32) during the Cy-Hawk NCAA football game on Saturday, Sept. 8, 2018, at Kinnick Stadium in Iowa City.

Iowa linebacker Djimon Colbert forces Maryland's Avery Edwards out of bounds on Saturday, Oct. 20, 2018, at Kinnick Stadium in Iowa City.

Iowa's Djimon Colbert celebrates after his team's 48-31 win against Minnesota after an NCAA college football game Saturday, Oct. 6, 2018, in Minneapolis.

Iowa linebacker Djimon Colbert (32) and Iowa linebacker Amani Jones (52) celebrate after the Cy-Hawk NCAA football game on Saturday, Sept. 8, 2018, at Kinnick Stadium in Iowa City. The Hawkeyes defeated the Cyclones, 13-3.