Gilbert Burns' coach Greg Jones, who worked with Kamaru Usman from his UFC debut in 2015 until mid-2020, ranks the UFC welterweight champion's UFC opponents in this tier list: This content is protected How would you rank these guys based on their body of work? Do you think Tyron Woodley and RDA deserve to be higher than Jorge Masvidal and Colby Covington based on overall career success?
