Speight took two hard shots to his left shoulder, which is his non-throwing shoulder, late in the game against Iowa. It was a game that the Hawkeyes defeated the Wolverines at Kinnick Stadium, 14-13.
Across 10 games this season, Speight has completed 160-of-257 passes (62.3 percent) for 2,156 yards, 15 touchdowns and four interceptions.
The next man up will be John O’Korn. Through eight relief appearances this season, O’Korn has completed 13-of-18 passes (72.2 percent) for 114 yards and two touchdowns.
Third string quarterback Shane Morris will be the backup to O’Korn on Saturday.
Michigan takes on Indiana in Ann Arbor at 3:30 PM this Saturday, then the Wolverines finish off the regular season on the road against Ohio State on November 26th.