If you're looking for two in-state rivals that hate each other, look no further than Michigan and Michigan State.
Even before the game started, there was a bit of a scuffle between the players and the Spartans' midfield logo ended up getting messed up by a Michigan player. There was discussion pregame on if the hatred was taken too far by attempting to ruin the field before the game, as that has nothing to do with the players. You be the judge.
Source: Athlon Sports & Life –
Read the full article here: Michigan Football: Wolverine Defaces Spartans Logo and Get Into Pregame Scuffle