UFC 245: Kamaru Usman beats Colby Covington 'for the whole entire world'

UFC 245 card: Kamaru Usman vs Colby Covington full fight preview"MMA ManiaUFC 245 results: Kamaru Usman finishes Colby Covington to remain welterweight champion"Sporting NewsUFC 245: Kamaru Usman beats Colby Covington with last-minute TKO to settle grudge