Mario Barrios held off a battling Manny Pacquiao to retain his WBC world welterweight crown with a fight ruled a majority draw in Las Vegas on Saturday. Barrios, 30, held onto his belt despite being dominated for several rounds by 46-year-old Filipino icon Pacquiao, returning to the ring for the first time after a four-year retirement. Barrios was awarded the fight 115-113 by one judge, with the other two cards scoring it 114-114. The result drew a subdued reaction from the MGM Grand Garden...