Affirmed

Affirmed (February 21, 1975 – January 12, 2001) was an American Thoroughbred racehorse who was the eleventh and most recent winner of the United States Triple Crown of Thoroughbred Racing. Affirmed was also known for his famous rivalry with Alydar, whom he met ten times, including in all three Triple Crown races. The derivation of the name "Affirmed" has been the subject of speculation, in part because the conviction of his owner and breeder, Louis E. Wolfson, for securities law violations had been affirmed on appeal in 1969 resulting in his imprisonment.

He was the great-great-grandson of Triple Crown winner War Admiral through damsire Crafty Admiral, and thereby the great-great-great grandson of Man o' War who won two of the three Triple Crown races himself. He has other noteworthy horses in his pedigree like Gallant Fox, winner of 1930 Triple Crown and sire of the 1935 Triple Crown Winner Omaha, as well as English Derby winner Mahmoud.