Authorities are investigating an alleged assault involving players for Michigan and Michigan state following the wolverines 29 7 win over the Spartans Social media posts showed at least three Spartans pushing punching and kicking wolverines defensive back Jade M Mac Burroughs in the tunnel Michigan coach Jim Harbaugh says the second player was also attacked and one of those players might have a broken nose Police from both schools are investigating Michigan's AD says Big Ten commissioner Kevin Warren is also looking into the fracas I'm Dave ferry