(I edited the title of the post to reflect the fact that "Sibling Rivalry" appears to have taken off -- see comments below.)
But what do we call the MSU game? I've heard some people call it the "Backyard Brawl" but to me that is Pitt-West Virginia. Come on people, we're Michigan, surely we don't have to borrow other games' nicknames? I'm thinking the MGoCommunity can come up with a better one.
Keith Jackson called it "The Annual Ruckus" UM-MSU in the intro to the 1990 UM-MSU game (the one in which Desmond Howard got tripped going for the two-point conversion at the end).
It's at the 0:30 mark of this video:
Who knows, maybe it's a dumb idea. But if Keith Jackson can name the Big House, perhaps he can also name the UM-MSU game? Or maybe Little Brother is so lame we shouldn't give them the credit of trying to name the game. Thoughts?