Brock Lesnar Earns Second-Round TKO Win Over Frank Mir to Defend Title | UFC 100, 2009 | On This Day

On this day in 2009, former UFC heavyweight champion Brock Lesnar capped off the main event of UFC 100 with a bang, defeating Frank Mir in a rematch bout via second-round knockout to defend his title. 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 👉 Shop official UFC VIP Live Event Experiences, 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: #UFC #UFC100