Winn was expected to fight at UFC Vegas 66, but fell down a flight of stairs and suffered a concussion.
The UFC has released Deron Winn from its roster.
UFC Roster Watch on Twitter was first to report the release, which was then confirmed by Damon Martin of MMA Fighting.
“Being released after a freak accident on their property the week before Christmas,” wrote Winn on Twitter in response to his release. “Man,...