Sergio Martinez talks up Marcos Maidana's chances vs. Floyd Mayweather Jr. on May 3

Sergio "Maravilla" Martinez has long been known as one of boxing's gentlemen, but his upcoming fight with Miguel Cotto seems to have awakened a latent antagonist inside him. Commenting on the chances his countryman Marcos Maidana against the pound-for-pound king, Martinez expressed surprise that Mayweather chose "El Chino."