On this day, 2008, Brock Lesnar challenged Randy Couture for the heavyweight title at UFC 91 in Las Vegas. This fight would be the first of four heavyweight championship bouts between 2008-2010 for Lesnar, who joined the promotion earlier in the year. 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 ?? Facebo