Top 10 Lightweight Knockouts in UFC History

Look back at 10 of the top lightweight knockouts in UFC history featuring some names like Edson Barboza, Conor McGregor, BJ Penn and Dustin Poirier. Subscribe to get all the latest UFC content: Experience UFC live with UFC FIGHT PASS, the digital subscription service of the UFC. Visit To order UFC Pay-Per-Views on ESPN , visit (U.S. only) To order UFC Pay-Per-Views, visit #PPV (Non U.S.) Shop official UFC gear, visit Shop official UFC Memorabilia, visit Connect with UFC online and on Social: 🔴 Website: 🔵 Twitter: 🔵 Facebook: 🔴 Instagram: 🟡 Snapchat: UFC 🟣 Twitch: Connect with UFC FIGHT PASS on Social: 🔵 Twitter: 🔵 Facebook: 🔴 Instagram: