Manny Pacquiao ends a four-year absence from the boxing ring when he challenges Mario Barrios for the WBC welterweight world title.

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.

Barrios will enter the fight not only as the far younger man, but also with a six-inch advantage in height and four-inch advantage in reach, all factors in why he is the favorite heading into Saturda...