Manny Pacquiao returns from retirement on Saturday night to face WBC welterweight champion Mario Barrios. Whether Pacquiao's decision to return to the ring proves to be ill-advised or a moment that grows his legend is still to be seen.

Age-related concerns aside, Manny Pacquiao is going to have to overcome a significant reach advantage if he has a chance of beating Barrios. While Pacquiao could feasibly have a power advantage, he's almost certainly going to need to absorb punches from Barrios (especially jabs) to get within range.

Pacquiao has come out of retirement in search of Barrios' welterweight title — here's what you need to know.