Guerrero needs to KO Mayweather to win

By Omar Torres: We all know that 43 fighters have stepped up and failed to K.O Floyd Mayweather (43-0 26KO) let alone beat the guy. In order for Robert Guerrero (31-1-1 18KO) to get his hand raised on May 4th in the MGM Grand arena he needs to KO Mayweather Jr. Mayweather has superb defense