Conor McGregor’s First Event as a Headliner in USA | UFC Boston, 2015 | On This Day

On this day in 2015, Conor McGregor made his headliner debut stateside in Boston against Dennis Siver. After this performance, McGregor would compete for the interim featherweight title and continue his rapid rise to superstardom. 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 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