Illinois head coach Bret Bielema reacts during the second quarter of an NCAA college football game against Purdue, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue quarterback Jack Plummer (13) is tackled by Illinois defensive linemen Keith Randolph Jr. (88) and Jamal Woods (91) during the first quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue kicker Mitchell Fineran (24) boots a field goal against Illinois during the first quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue quarterback Jack Plummer (13) throws as Purdue offensive lineman Greg Long (69) blocks Illinois outside linebacker Seth Coleman (49) during the first quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue offensive linemen Gus Hartwig (53) and Spencer Holstege (75) block Illinois linebacker Shammond Cooper (40) during the first quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Illinois defensive back Kerby Joseph (25) breaks up a pass intended for Purdue tight end Payne Durham (87) during the first quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Illinois quarterback Brandon Peters (18) throws against Purdue during the second quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue running back Dylan Downing (38) runs the ball against Illinois defensive back Jartavius Martin (21) during the fourth quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Illinois defensive back Kerby Joseph (25) intercepts the ball in the end zone during the third quarter of an NCAA college football game against Purdue Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue wide receiver TJ Sheffield (8) somersaults into the end zone to score during the fourth quarter of an NCAA college football game, Saturday, Sept. 25, 2021 at Ross-Ade Stadium in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Illinois running back Josh McCray (0) carries the ball during the third quarter of an NCAA college football game against Purdue Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue quarterback Aidan O'Connell (16) throws a pass against Illinois during the third quarter of an NCAA college football game, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Illinois wide receivers Deuce Spann (6) and Desmond Dan Jr. (10) celebrate during the fourth quarter of an NCAA college football game against Purdue, Saturday, Sept. 25, 2021, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)