War Admiral was a champion American Thoroughbred racehorse and the fourth winner of the American Triple Crown. He was also the 1937 Horse of the Year and well known as the rival of Seabiscuit in the "

Affirmed was a champion American Thoroughbred racehorse who is the eleventh winner of the American Triple Crown. Affirmed was well known for his famous rivalry with Alydar, whom he met ten times, incl