Manny Pacquiao vs. Juan Manuel Márquez III, was a boxing championship bout for the WBO welterweight title at a catchweight of 144 lbs. The bout took place on November 12, 2011, at the MGM Grand in Las Vegas, Nevada and was distributed by HBO PPV. The fight also marked a return to HBO for Pacquiao and drew 1.4 million pay-per-view buys.