Current and former Michigan football players were active on Twitter on Monday in response to reports of the attacks on Ohio State’s campus.
The Wolverines lost to the rival Buckeyes on Saturday, 30-27, in the second overtime.
"Praying for everyone at OSU ... Unbelievable," wrote Michigan quarterback John O'Korn.
"Praying for OSU ... It's a sad day," Michigan defensive lineman Maurice Hurst wrote.
Here are some tweets from the Wolverines: