Kamaru Usman defends title over Colby Covington at UFC 268

Through two rounds, the UFC 268 main event rematch between welterweight champion Kamaru Usman and Colby Covington seemed ill-conceived.

Usman (20-1), of Denver by way of Nigeria, won their first fight nearly two years ago at UFC 245. And he nearly finished this bout at New York's Madison Square Garden when he dropped Covington (16-3) twice in the closing seconds of the second round.

Covington, though, showed tremendous