Two rematches headline the Manny Pacquiao vs. Mario Barrios undercard, while former champions and young contenders look to impress. Here's a breakdown of all the action on the Pacquiao vs. Barrios card.

One of the greatest fighters of the past 30 years is set to return to the ring on July 19 when Manny Pacquiao ends his retirement to face Mario Barrios. Pacquiao will be looking to add to his legendary resume by picking up another championship as Barrios' WBC welterweight title will be on the line.

Manny Pacquiao, the legendary boxer, did light training at the Las Vegas Raiders' training facility as he prepares for his return to the ring at 46.

Pacquiao and his wife were assessed a $55.8 million tax bill, including penalties and interest, for allegedly failing to completely pay what he owed between 2008 and 2009, taking issue with his failure to report U.S. earnings. Pacquiao claimed he paid the taxes in the U.S.

The boxing world is eagerly waiting to see how Manny Pacquiao performs in his comeback fight against Mario Barrios on July 19. 'Pacman' takes on Barrios for the WBC welterweight title at the MGM Grand Arena.

Manny Pacquiao, boxing's only eight-division champ, has unretired at 46 to fight Mario Barrios. Here's how he trained to return to the ring.

In the period between Mayweather's wins over Berto and McGregor, Pacquiao returned from injury, beat Bradley in a 2016 rubber match, retired and came back before the end of the year to beat Jessie Vargas and win the WBO welterweight title for a third time.