Marcos Maidana did everything but beat Floyd Mayweather Jr., taking him 12 tough rounds before losing a majority decision.
UFC welterweight champion Georges St. Pierre has vacated his title, citing a desire for a lengthy break from mixed martial arts.
Juan Manuel Marquez could have fought Manny Pacquiao for a fifth time. Timothy Bradley could have had a rematch with the Filipino congressman.
Juan Manuel Marquez knocked Manny Pacquiao out cold with a vicious right hand at the end of the sixth round Saturday night, putting a ferocious end to the fourth fight between the two boxers.