Alydar Horse

It was a legendary rivalry that has galloped through time without any yanking on the reins. It was Bird-Magic, Ali-Frazier, Sampras-Agassi. Except, they could tell us about theirs. Thirty years ago, Affirmed and Alydar glorified the three classic horse races that define their sport. When Affirmed beat Alydar by a length and a half in the Kentucky Derby, a neck in the Preakness and a head in the Belmont, sports fans thought they would never again see anything quite like it. And they haven't.