Oscar De La Hoya’s big bouts

Oscar De La Hoya defeated Pernell Whitaker by decision on April 12, 1997, at Thomas and Mack Center in Las Vegas to claim the WBC welterweight championship. It was the fourth weight class in which De La Hoya would win a world title.  (Bob Galbraith / Associated Press)

Oscar De La Hoya continued his march through big-name fighters on Sept. 13, 1997, with a unanimous decision over Hector Camacho in a WBC welterweight championship bout.  (Mike Salsbury / Associated Press)

Felix Trinidad defeated Oscar De La Hoya by decision on Sept. 18, 1999, to claim De La Hoya’s WBC welterweight title at the Mandalay Bay Events Center in Las Vegas.  (Eric Draper / Associated Press)

In a battle of Southland natives, Oscar De La Hoya stopped Fernando Vargas in the 11th round of a WBC super-welterweight championship bout on Sept. 14, 2002, at the Mandalay Bay Events Center in Las Vegas.  (Carlos Chavez / Los Angeles Times)

Shane Mosley dominated the late rounds against Oscar De La Hoya on Sept. 13, 2003, to take the decision in their WBA/WBC super-welterweight championship contest at the MGM Grand Garden Arena in Las Vegas. It was the second time that Mosley had beaten De La Hoya.  (Wally Skalij / Los Angeles Times)

Bernard Hopkins knocked out Oscar De La Hoya on Sept. 18, 2004, to win the unified middleweight championship at the MGM Grand Garden Arena in Las Vegas.  (Luis Sinco / Los Angeles Times)

Oscar De La Hoya stopped Ricardo Mayorga in the sixth round of the WBC super-welterweight title fight on May 6, 2006, at the MGM Grand Garden Arena.  (Wally Skalij / Los Angeles Times)

Losing for the third time in five fights, Oscar De La Hoya dropped a decision to Floyd Mayweather Jr. on May 5, 2007, in a WBC super-welterweight championship fight at the MGM Grand Garden Arena in Las Vegas.  (Wally Skalij / Los Angeles Times)