Conor McGregor REACTS to Kamaru Usman vs Leon Edwards Head Kick KNOCKOUT (UFC 278) Click here to Subscribe to our YouTube channel http://bit.ly/2quZwsz Follow My Twitter https://twitter.com/Keanutalksmma Click here to like our Facebook page https://bit.ly/2ZmykdU Watch our most recent video! With a head kick in the final round of a fight he was handily losing, Edwards knocked out Kamaru Usman to win the UFC welterweight title in the main event of UFC 278 on Saturday night at Vivint Arena. The finish came at 4 minutes, 4 seconds of the fifth round. Usman was considered the best pound-for-pound fighter in the world. #conormcgregor #ufc278