UFC Vegas 37 headliners Anthony Smith and Ryann Spann face off on the weigh-in stage before they meet on Saturday night. The UFC Vegas 37 main card starts at 7pm ET / 4pm PT. 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.twitter.com/ufcfightpass ?? Facebook: http://www.facebook.com/ufcfightpass ?? Instagram: http://www.instagram.c