Michigan offensive coordinator Josh Gattis speaks about building his relationship with coach Jim Harbaugh during recruiting trips, March 22, 2019. Detroit Free Press
(Note: This is part two of a post-spring series breaking down each of Michigan football's position groups).
After spending most of the past three years with firm answers at the top end of the rotation, Michigan's football team entered this spring with more questions inside the running back room than at any other point in the Jim Harbaugh era.
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If that was the only complication, it'd have been enough.