Unknown fighter delivers greatest KO in UFC history, then says he'll knock Chimaev's 'bitchass' out cold

Congratulations Joaquin Buckley, you've just etched your name in the UFC record books, joining the greats like Anderson Silva, Jorge Masvidal, Lyoto Machida, and Rashad Evans. Soon, your spinning heel kick finish at Fight Night 179 will be played and replayed on every UFC highlight reel from now through eternity.