Purdue head coach Jeff Brohm calls plays from the sideline during the first half of an NCAA college football game against Nebraska, Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. (AP Photo/Rebecca S. Gratz)

Nebraska's Omar Manning (5), Travis Vokolek (83), Bryce Benhart (54) and Zavier Betts (15) celebrate after Manning scored a touchdown against Purdue during the first half of an NCAA college football game Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. (AP Photo/Rebecca S. Gratz)

Nebraska's Levi Falck (88) catches a pass against Purdue's Dedrick Mackey (1) during the first half of an NCAA college football game Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. (AP Photo/Rebecca S. Gratz)

Nebraska's Myles Farmer (4) tackles Purdue's David Bell (3) during the first half of an NCAA college football game Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. (AP Photo/Rebecca S. Gratz)

Nebraska quarterback Adrian Martinez (2) throws a pass against Purdue during the first half of an NCAA college football game Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. (AP Photo/Rebecca S. Gratz)

Purdue quarterback Aidan O'Connell (16) passes the ball against Nebraska during the first half of an NCAA college football game Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. (AP Photo/Rebecca S. Gratz)

Nebraska head coach Scott Frost walks the sideline between plays against Purdue in the first half of an NCAA college football game Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. (AP Photo/Rebecca S. Gratz)

Purdue safety Jalen Graham (6) runs with the ball after intercepting a pass intended for Nebraska wide receiver Omar Manning (5) during the first half of an NCAA college football game Saturday, Oct. 30, 2021, at Memorial Stadium in Lincoln, Neb. Graham ran in the ball for a touchdown on the play. (AP Photo/Rebecca S. Gratz)