Manny Pacquiao, who at 46 fought reigning WBC welterweight Mario Barrios to a majority draw, explained the source of his astonishing stamina.

At 46 years old, Manny Pacquiao is lacing up the gloves again. This weekend, he steps into the ring against 30-year-old Mario Barrios for the interim WBC title. During his media rounds, the Filipino legend decided to settle a debate that has recently heated up with back-and-forth comments between the two camps: prime Floyd Mayweather vs.

Mario Barrios, left, and Manny Pacquiao pose after fighting to a majority draw in a welterweight title boxing match on Saturday in Las Vegas.

Boxing great Manny Pacquiao made his return to the ring on Saturday after a nearly four-year absence from the sport, and there is controversy surrounding the result of his bout with Mario Barrios. With the WBC welterweight title on the line,

Emmanuel "Jimuel" Pacquiao's boxing debut will be coming at a later date, rather then right before his father's return to the ring.

With trusted trainer Freddie Roach in his corner, the 46-year-old legend is coming out of retirement to challenge welterweight champ Mario Barrios on Saturday.

Each card contains world title fights and big names, with fights ranging from Oleksandr Usyk vs. Daniel Dubois for the undisputed heavyweight championship to Manny Pacquiao ending his retirement at 46 to fight Mario Barrios for the WBC welterweight championship.