Northwestern quarterback Andrew Marty looks to throw a pass against Iowa during the first half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa quarterback Alex Padilla looks to pass against Northwestern during the first half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa quarterback Spencer Petras looks to a pass against Northwestern during the first half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa head coach Kirk Ferentz, right, congratulates running back Tyler Goodson (15) after Goodson scored a touchdown during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa running back Tyler Goodson runs for a touchdown during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa running back Tyler Goodson celebrates after running for a touchdown during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa running back Tyler Goodson runs for a touchdown during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa defensive back Dane Belton, left, is tackled by Northwestern wide receiver Stephon Robinson Jr., after he intercepted a pass during the first half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Northwestern quarterback Andrew Marty, left, is called for intentional grounding against Iowa defensive lineman Lukas Van Ness during the first half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Northwestern head coach Pat Fitzgerald, left, cheers his team during the first half of an NCAA college football game against Iowa in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa wide receiver Arland Bruce IV., left, is congratulated by fullback Monte Pottebaum after scoring a touchdown during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa wide receiver Charlie Jones (16) runs with the ball during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa place kicker Caleb Shudak bootss an extra point during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa defensive back Dane Belton (4) celebrates with linebacker Seth Benson (44), defensive back Matt Hankins (8) and linebacker Jack Campbell (31) after he intercepted a pass during the first half of an NCAA college football game against Northwestern in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Northwestern running back Evan Hull, left, runs with the ball past Iowa defensive back Jack Koerner during the second half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Northwestern running back Andrew Clair runs with the ball past Iowa defensive lineman Noah Shannon and defensive back Jermari Harris during the second half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Northwestern wide receiver Malik Washington reacts after catching a pass during the second half of an NCAA college football game against Iowa in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Northwestern wide receiver Malik Washington, left, catches a pass against Iowa defensive backs Jack Koerner, center, and Kaevon Merriweather during the second half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa defensive back Jermari Harris, left, intercepts a pass against Northwestern wide receiver JJ Jefferson during the second half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. AP Photo/Nam Y. Huh)

Northwestern head coach Pat Fitzgerald watches his team during the second half of an NCAA college football game against Iowa in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)

Iowa defensive end Joe Evans (13) and linebacker Jack Campbell (31) tackle Northwestern running back Evan Hull (26) during the second half of an NCAA college football game in Evanston, Ill., Saturday, Nov. 6, 2021. (AP Photo/Nam Y. Huh)