Photos: Iowa Hawkeyes defensive lineman Matt Nelson

Iowa defensive end Matt Nelson (96) embraces his mother Julie Palmer on senior day during a Big Ten Conference NCAA football game on Friday, Nov. 23, 2018, at Kinnick Stadium in Iowa City.

Iowa defensive end Matt Nelson (96) is introduced on senior day during a Big Ten Conference NCAA football game on Friday, Nov. 23, 2018, at Kinnick Stadium in Iowa City.

Iowa defensive end Matt Nelson (96) sacks Iowa State quarterback Kyle Kempt (17) during the Cy-Hawk NCAA football game on Saturday, Sept. 8, 2018, at Kinnick Stadium in Iowa City.

Iowa left tackle Matt Nelson tackles Boston College running back AJ Dillon during the 2017 Pinstripe Bowl at Yankee Stadium in Bronx, New York on Wednesday, Dec. 27, 2017.

Matt Nelson, wrapping up a Nebraska ballcarrier last fall, is sitting out of spring practices for Iowa with a right foot injury. He is being looked at as somebody who could play both defensive end and defensive tackle.

Matt Nelson led a young trio of Iowa defensive ends with 42 tackles this year, and you'll be seeing his No. 96 for two more seasons. But will he move inside to defensive tackle?

Iowa defensive end Matt Nelson has been a mainstay all season, and now must try to contain elusive Penn State quarterback Trace McSorley.

Minnesota running back Shannon Brooks (23) runs out of reach of Iowa defensive end Matt Nelson (96) during an NCAA college football game Saturday, Oct. 8, 2016, in Minneapolis.

Iowa defensive end Matt Nelson, here hitting Stanford's Bryce Love in the Rose Bowl, got more playing time toward the end of the 2015 season when Nate Meier was banged up.

Iowa State quarterback Joel Lanning (7) is sacked by Iowa defensive end Matt Nelson (96) during the first half of an NCAA college football game, Saturday, Sept. 10, 2016, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa defensive end Matt Nelson hits Stanford Bryce Love on Friday, Jan. 1, 2016, at the Rose Bowl in Pasadena, Calif.