Usman, Namajunas score KO title fight wins at UFC 261

Kamaru Usman knocked Jorge Masvidal out cold to retain his UFC welterweight belt while Rose Namajunas pulled off a stunning first-round head kick KO to dethrone strawweight champ Zhang Weili at UFC 261 in Jacksonville, Florida on Saturday. In the third title fight on the bill, women's flyweight champion Valentina...