Pacquiao: Mayweather is 'scared' to fight me again

Manny Pacquiao believes nerves, not age, is what's holding Floyd Mayweather Jr. back from fighting him again.

Appearing on FS1's "Undisputed" on Wednesday, the 40-year-old Pacquiao told host Skip Bayless that he believes Mayweather, 42, is too afraid to come out of retirement for a rematch.

"I think he's scared," Pacquiao said. "He keeps avoiding me."

Pacquiao was defeated by Mayweather via unanimous decision in May 2015 - a loss he later attributed to a right shoulder injury.

Mayweather announced in September that he was coming out of retirement for a rematch against Pacquiao but later called off the bout.