Pacquiao (56-5-2) pursued and peppered the previously unbeaten Bradley around the MGM Grand Garden ring with an aggressive performance recalling the Pacman in his prime. Bradley fought back with counterpunching and elusiveness, but Pacquiao kept up his attack while Bradley (31-1) struggled down the stretch.
Pacquiao left no doubt about the rematch in the same arena where they met nearly two years ago. Bradley's split-decision victory astonished most ringside observers, who felt Pacquiao had earned a clear decision.
Judges Craig Metcalfe and Michael Pernick scored it 116-112 for Pacquiao, while Glenn Trowbridge favored the Filipino congressman 118-110.
The Associated Press scored it 116-112 for Pacquiao.