MANNY PACQUIAO RETAINS WBO TITLE WITH LOPSIDED DECISION OVER SHANE MOSLEY Jorge Arce Registers Historic TKO Victory, Comebacking Pavlik, Undefeated Alvarado Triumph LAS VEGAS  – On the first Saturday of May, boxing’s top thoroughbred, global superstar and Filipino Congressman, Manny Pacquiao, won a resounding 12-round decision over Shane Mosley to retain his WBO welterweight title…