Gilbert Burns tests positive for COVID-19, out of UFC 251 headliner vs. Kamaru Usman MMA JunkieUFC 251 Free Fight: Max Holloway vs Brian Ortega UFC - Ultimate Fighting ChampionshipUFC 251 headliner Gilbert Burns tests positive for COVID-19, pulled from event Yahoo SportsBreaking! Gilbert Burns forced out of UFC 251 title fight with Kamaru Usman BJPENN.COM“We Don’t Even Have to Spar That Much”- Max Holloway Spills The Beans On UFC 251 Training Camp Essentially SportsView Full Coverage on Google News