Seven years ago today, Conor McGregor competed in his first main event on U.S. soil. McGregor made his main event debut a thrilling and violent one by stopping Dennis Siver less than two minutes into the second round. This win ensued a featherweight title shot, which the Irishman took full advantage of. McGregor was undefeated in the UFC thus far, overcoming Max Holloway and Dustin Poirier.
Conor McGregor Debuts In First UFC US Main Event – January 18, 2015 (This Day In MMA History)
