What to know

• The Hawkeyes (4-0, 1-0 Big Ten) went 91 yards on the final drive — boosted by an unnecessary roughness penalty against Michigan on a third down at midfield. Brown’s 29-yard pass to Addison Ostrenga set up the final play with 2 seconds on the clock.S1
• Hank Brown threw a game-ending, 16-yard touchdown pass to Reece Vander Zee to lift No. 17 Iowa to a 20-19 win over No. 18 Michigan on Saturday.S2