Pacquiao stunned the boxing world in May when he announced that he planned to end his four-year exile from the sport to challenge Barrios, taking advantage of a WBC rule that allows former champions to request an immediate title fight when coming out of retirement.

Manny Pacquiao pushed back against his doubters, the odds and even Father Time on Saturday night, but in the end fell just short on judges' scorecards as Mario Barrios escaped with a majority draw to retain the WBC welterweight championship.