Without a doubt, the best rivalry in college football is Ohio state and Michigan.
Florida state, georgia, and miami
Ohio State Buckeyes are the biggest rivals to the Michigan Wolverines by far. Michigan State is also a big rival
The worlds biggest football rivals are:River Plate vs Boca JuniorsThey have been known to kill rival fans and throw blood at each other.
Boston College's Football rivals are the Clemson.
Their biggest rivals are the White Sox. But yes, the Cardinals are their biggest rivals within the National League
Their biggest rivals are Bristol Rovers.
One of Athens biggest rivals was Sparta.
Seabiscuits biggest rivals are War Admiral the son of the great Man O' War and Ligaroti to name a few.