Vegas, baby! Premier Boxing Champions goes to “The Gambling Capital of the World” tonight, where boxing icon Manny Pacquiao (62-8-2) takes on WBC Welterweight World Champion Mario Barrios (29-2-1) with his title up for grabs.

Barrios has lost some high-profile fights in his career, losing to both Gervonta "Tank" Davis and Keith Thurman. Despite those losses, Barrios went on to win the WBC interim welterweight title and was elevated to full champion shortly after.

Manny Pacquiao insists his easiest night as a professional came against Ricky Hatton. The pair squared off back in 2009 in a lineal super lightweight title fight billed as ‘The Battle of

Manny Pacquiao will face off against champion Mario Barrios Saturday night, but "Pacman's" toughest opponent is expected to be his age.