Sin City and spectacle are the oldest of friends. The Smartest Guy at the Bar has squinted through many Las Vegas spectacles, most of them transpiring inside the Octagon. Conor McGregor has elevated the Ultimate Fighting Championship’s business with his last two appearances in the company’s Nevada backyard. The “Notorious” one has talked and talked some more through his UFC career and needed just 13 seconds to knock out Jose Aldo and complete his ascent to the featherweight championship throne in December. Because of that unparalleled coronation and his mic skills, McGregor’s profile has jumped to such heights that former lightweight champion Frankie Edgar told MMAFighting.