Kamaru Usman on what's keeping him motivated heading #UFC268 rematch vs. Colby Covington | ESPN MMA - Video

Kamaru Usman on what's keeping him motivated heading #UFC268 rematch vs. Colby Covington | ESPN MMA

UFC welterweight champion Kamaru Usman sat down with ESPN MMA's Brett Okamoto to discuss fighting against his rival Colby Covington and what is keeping ...