Michigan athletic director Warde Manuel has not set a minimum number of wins for Jim Harbaugh to achieve during the 2021 season but said they both know the Wolverines need to improve on their 2-4 mark.Michigan athletic director Warde Manuel has not set a minimum number of wins for Jim Harbaugh to achieve during the 2021 season but said they both know the Wolverines need to improve on their 2-4 mark.Read Morewww.espn.com – NCF