Ryan Burton is on the set of the Knockout reality show, where rival trainers Floyd Mayweather Sr. and Ruben Guerrero started posing down to display which trainer had the bigger ars. The two coaches have a rivalry that caused several confrontations since the show started filming. Their problems first began in the build-up to the battle between their sons, Floyd Mayweather Jr. and Robert Guerrero, in May of 2013. Photos by Paul Hernandez.
There is some talk of Mayweather Sr. and Ruben fighting each other in the reality series finale.