At UFC 280 ceremonial weigh-ins, Petr Yan and Sean O'Malley were kept apart by UFC president Dana White in Abu Dhabi on Friday. Join this channel to get access to perks: https://www.youtube.com/channel/UC4f1JueVgo5t9HSmobCRPug/join Subscribe to MMA Fighting on YouTube: http://goo.gl/dYpsgH Subscribe to The MMA Hour on iTunes: http://Apple.co/themmahour Subscribe to The MMA Hour on Spotify: https://open.spotify.com/show/0NUQhyUeYQcbtHOV10qmbb Subscribe to MMA Fighting feed on iTunes: https://podcasts.apple.com/us/podcast/mma-fighting/id320642139 Check out our full video catalog: http://goo.gl/u8VvLi Visit our playlists: http://goo.gl/eFhsvM Like MMAF on Facebook: http://goo.gl/uhdg7Z Follow on Twitter: http://goo.gl/nOATUI Read More: http://www.mmafighting.com MMA Fighting is your home for exclusive interviews, live shows, and more for one of the world's fastest-growing sports. Get latest news and more here: http://www.mmafighting.com