Seabiscuits biggest rivals are War Admiral the son of the great Man O' War and Ligaroti to name a few.
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.
bruins. NOT the leafs.
The Notre Dame Fighting Irish
The worlds biggest football rivals are:River Plate vs Boca JuniorsThey have been known to kill rival fans and throw blood at each other.
Michigan and Notre Dame