By Matt Hladik Michigan running back Blake Corum had a blunt message for Michigan State players following last night’s game. Members of the Spartans and Wolverines had a postgame incident in the tunnel, after which Michigan head coach Jim Harbaugh said his players were “assaulted” by their opponents. On Twitter after the fight, Corum called the actions of the Michigan State players a “straight sucka move.” This morning, Michigan State head coach Mel Tucker said his program will assist in the investigation of what took place after the game last night. “In complete cooperation with law enforceme…