The start Ruben Hernandez began riding Thoroughbreds in his native Panama at the Hipódromo Presidente Remón in
Panama City where he would win 1,412 races before emigrating to the United States. There, he would initially race at tracks in Florida, getting his first significant win at
Hialeah Park in the April 3, 1974
Palm Beach Handicap, a race he would win again in 1975.
George Steinbrenner and a jockey's initiative Overall, Ruben Hernandez enjoyed some success during his first four years racing in the United States. However, a game-changing win came in 1977 through a belief in himself that he could compete with the very best and he paid out of his own pocket the costs to travel from Florida to California with a purpose. There, he approached John Fulton, trainer for the
Kinsman Stable owned by the notoriously hard-hearted owner of the
New York Yankees baseball team,
George Steinbrenner, and asked to ride their colt in the prestigious Grade 1
Santa Anita Derby to be run March 27. The admiration the action of Fernandez engendered from Steinbrenner was reported by
The Washington Post, quoting him as saying "how many kids would do that, pay their own money to go from Florida to the Coast on a chance he could get work?" and adding, "I've got to stick with that kind of boy." Fernandez finished a very credible third on Steinbrenner's longshot colt Steve's Friend which paid bettors $16 to show. On April 17, Ruben Hernandez and Steve's Friend gave Steinbrenner his biggest victory in racing when they won the Grade 1
Hollywood Derby. Sent off as a 34-1 longshot, Hernandez guided Steve's Friend to a 3/4 length come-from-behind victory over Affiliate and lengths ahead of third-place finisher
Habitony who had won the Santa Anita Derby. Steve's Friend won in a stakes record time of 1:47 4-5 for the 1-1/8 miles on dirt. Returning East, Steve's Friend with Hernandez in the saddle again, ran fifth in the
1977 Kentucky Derby in what would be
Seattle Slew's 1977
U.S. Triple Crown year. The following year Ruben Hernandez rode from a base in New York state where he won numerous top level stakes. He ended 1978 with 172 wins from 992 starts for a 17% winning rate. ==Winning the Belmont==