Oscar De La Hoya vs. Félix Trinidad, billed as The Fight of the Millennium, was a boxing match held at the Mandalay Bay Events Center on the Las Vegas Strip on September 18, 1999, to unify the WBC and IBF welterweight championships.

[1][2] After twelve tensely fought rounds, Trinidad was declared the winner by a majority decision.

[3] Planned by promoters Bob Arum and Don King, it pitted WBC world champion Oscar De La Hoya, a Mexican American, Los Angeles native, versus Puerto Rican IBF world champion Félix Trinidad.

De La Hoya injured one of Trinidad's eyes along the process, and he built a lead that he apparently felt, after nine rounds, secured him the win on points.

De La Hoya boxed in circles from rounds ten to twelve, while Trinidad upped his offensive output.