Anderson Silva Earns Big First-Round KO Win in UFC Debut | Ultimate Fight Night, 2006 | On This Day

On this day in 2006, fight fans got their first look of former UFC middleweight champion Anderson Silva who secured his first Octagon finish via first-round knockout over Chris Leben at Ultimate Fight Night 5. This win would kickstart Anderson's career and one of the most successful Octagon reigns fans would see in UFC history. 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