Floyd Mayweather Jr. vs. Miguel Cotto

Arguably the biggest fight of 2012 takes place on Cinco de Mayo, with Floyd Mayweather looking to add another championship to his mantle when he takes on Miguel Cotto for the WBA light middleweight title. Arguably the biggest fight of 2012 takes place on Cinco de Mayo, with Floyd Mayweather looking to add another championship to his mantle when he takes on Miguel Cotto for the WBA light middleweight title. Arguably the biggest fight of 2012 takes place on Cinco de Mayo, with Floyd Mayweather looking to add another championship to his mantle when he takes on Miguel Cotto for the WBA light middleweight title. Arguably the biggest fight of 2012 takes place on Cinco de Mayo, with Floyd Mayweather looking to add another championship to his mantle when he takes on Miguel Cotto for the WBA light middleweight title.