Friday May 1st, 2015

One day before Manny Pacquiao's welterweight world unification bout against Floyd Mayweather, Nike released a short video of Pacquiao training.

Mayweather (47-0, 26 KOs) will put his WBC and WBA crowns on the line, while Pacquiao (57-5-2, 38 KOs) is looking to defend his WBO title. 

Mayweather, 38, last fought in September, scoring a unanimous decision in a rematch with Marcos Maidana.

The 36-year old Pacquiao beat Chris Algieri in December, earning a unanimous decision in the fight.

• ​BISHOP: Roach explains his strategy, bond with Pacquiao after 14 years

• ​BISHOP: From L.A. to Vegas on Pacquiao's bus for date with Mayweather

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