Fans and boxing analysts called for a rematch, which never happened.
On May 6, 1995, De La Hoya defeated IBF lightweight champion Rafael Ruelas (43–1–0) in a unification bout.De La Hoya knocked Ruelas down twice before the fight was stopped in the second round.The IBF then ordered De La Hoya to defend against Miguel Julio.He relinquished the IBF title and defended the WBO title against undefeated Genaro Hernández (32–0–1), who relinquished the WBA super-featherweight title to fight De La Hoya.Hernandez quit after six rounds because of a broken nose. The fight was stopped due to a bad cut suffered by Chavez.She died in October 1990, expressing the hope that her son would one day become an Olympic gold medalist.
With the 1992 Summer Olympics in Barcelona approaching, De La Hoya turned his mother's dream into a strong focus for his training. media publicized his quest to fulfill his mother's dying wish and dubbed him with the nickname "The Golden Boy", which has remained with him throughout his career.
He is the first American of Mexican descent to own a national boxing promotional firm and one of the few boxers to take on promotional responsibilities while still active. National Championship at featherweight and was the youngest U. boxer at that year's Goodwill Games, winning a gold medal.
In 1989, he won the National Golden Gloves title in the bantamweight division. The joy of victory was tempered by the news that his mother, Cecilia, was terminally ill with breast cancer.
After seven defenses of his lineal and WBC welterweight titles, De La Hoya fought rival and IBF Champion Félix Trinidad (35–0) on September 18, 1999, in one of the biggest pay-per-view events in history, setting a record for a non-heavyweight fight.
Oscar dominated the vast majority of the first nine rounds, staying just outside Trinidad's range while generating much success with his stiff jab and blitzing combinations.
"Bob Arum's people hope I lose because they can't see a Mexican above them, and also that he defeated one of the biggest Jews to come out of Harvard." De La Hoya did not fight for the 15 months and in this time the rivalry between him and WBA champion "Ferocious" Fernando Vargas (22–1) grew. The fight was scheduled for early 2002, but De La Hoya had to withdraw because of a hand injury.