Kamaru Usman fights without joy.

Kevin Lee claims he would 'present a lot of problems for Kamaru Usman' if he fights the UFC welterweight champion

"I wish it was like a game where I could control him" - Kamaru Usman describes his emotions when his brother Mohammed Usman fights

Khamzat Chimaev vs Kamaru Usman | FULL FIGHT -UFC

UFC 235 card: Tyron Woodley vs Kamaru Usman full fight preview

Kamaru Usman's Pro Debut - Full Fight

Kamaru Usman defends title vs. Colby Covington

Kamaru Usman contemplates staying at middleweight after UFC 294 loss: 'I didn't mind being up at 185'