Welterweight AJ Fletcher made swift work of his opponent Leonardo Damiani on Season 5 of Dana White's Contender Series, ending the fight with an impressive flying knee in the first round. Fletcher makes his Octagon debut at UFC Vegas 50 on Saturday taking on Matthew Semelsberger. Subscribe to get all the latest UFC content: http://bit.ly/2uJRzRR Experience UFC live with UFC FIGHT PASS, the digital subscription service of the UFC. Visit https://ufcfightpass.com/ To order UFC Pay-Per-Views on ESPN+, visit https://bit.ly/2vNIBE8 (U.S. only) To order UFC Pay-Per-Views, visit http://welcome.ufcfightpass.com/#PPV (Non U.S.) Shop official UFC gear, visit https://ufcstore.com/ Connect with UFC online and on Social: ?? Website: http://www.ufc.com ?? Twitter: http://www.twitter.com/ufc ?? Facebook: http://www.facebook.com/ufc ?? Instagram: http://www.instagram.com/ufc ?? Snapchat: UFC ?? Twitch: https://www.twitch.tv/ufc Connect with UFC FIGHT PASS on Social: ?? Twitter: http://www.twitt