UFC on ESPN 63 takes place Saturday, and MMA Junkie has you covered with live round-by-round coverage and official results.

Dustin Jacoby said he “heard the boos” just before he knocked out Vitor Petrino in highlight reel fashion at UFC on ESPN 63.

Cub Swanson said he promised his wife he would retire following a vicious knockout win at UFC on ESPN 63, but he didn’t ...