UM RB Derrick Green did not make trip to Penn State

Angelique S. Chengelis
The Detroit News
Michigan safety Dymonte Thomas warms his hands in the pouch of Michigan punter Blake O'Neill during pregame warm-ups Saturday.

State College. Pa. -- Michigan tailback Derrick Green has not made the trip to Penn State for undisclosed reasons, but tailback Ty Isaac is here at Beaver Stadium and warmed up with the team.

Also missing today is receiver Drake Harris, who is out with an injury.

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