A full Saturday of boxing is on tap for July 19 in Las Vegas, when welterweight champion Mario Barrios and Manny Pacquiao square off in a main event.

Here's when to expect Manny Pacquiao and Mario Barrios to walk out to the ring for their WBC welterweight title fight in Las Vegas.

Manny Pacquiao rolled back the years to produce a legendary performance at age 46, yet was denied the result that would have put yet another punctuation mark on an all-time career.