May 3, 2014 // 9 p.m. ET (Showtime PPV)
MGM Grand Garden Arena, Las Vegas
By Bernardo Pilatti
Pound-for-pound king Floyd Mayweather Jr. (45-0, 26 KOs) will look to once again unify welterweight titles when he faces hard-hitting Marcos Maidana (35-3, 31 KOs). It's a matchup of contrasting styles as Mayweather's speed and technique face off against the proven power of Maidana. The Argentine believes he needs to land only one punch in order to take control of the fight. Can he do it? Mayweather is the clear favorite to win a decision, but there's no guarantee this fight will go the distance. Check out our "12 Rounds" to see who has the advantage in each area.