Floyd Mayweather may only be 16 days removed from his victory over Marcos Maidana but the Welterweight champ already has a date for his next bout. According to ESPN's Dan Rafael, Mayweather will fight on September 13. As of right now, the opponent and the location are unknown, so what are your predictions? A rematch with Maidana? Amir Khan? Manny Pacquiao?! Okay, okay, we're not going to start that up...just yet.