Pacquiao aims to silence doubters by defending title

Manny Pacquiao has more at stake than his World Boxing Organization welterweight title when he takes on unbeaten American Timothy Bradley on Saturday - he has his reputation on the line.

Pacquiao trainer Freddie Roach didn't mince words when he said the Filipino ring icon would be fighting to regain some luster after his controversial majority decision over Juan Manuel Marquez last November.

"Manny's motivation is his last fight. We had the first bad fight we had in 11 years," Roach said. "He wants to prove to the world he's not washed up."