Citation
1948 Horse of the Year and Triple Crown
Earnings: $1,085,760 ($8.1 million in 2002 dollars)

Thoroughbred racing's first millionaire, Citation won 19 of 20 races in his best year, 1948. Leg injuries kept him off the track in 1949, but his career winnings topped $1 million in 1951, his fourth and last year of racing. His impressive stats include 32 wins in 45 starts.