Sergio Martinez knocks Paul Williams cold in second round
majority decision loss in a clash of southpaws, WBC middleweight king Sergio Martinez used a single, crushing left hook to knock Paul Williams cold at 1:10 of the second round in the first defense of his title in Saturday night's HBO-televised bout before 5,502 fans at Boardwalk Hall.
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.