The night a loudmouth Irish kid announced himself to the world.
UFC 178: Johnson vs. Cariaso was a mixed martial arts event held on September 27, 2014 at the MGM Grand Garden Arena in Las Vegas, Nevada.
Production
UFC's production value peaked here—every fight delivers.
Practical Effects
McGregor's 90-second dismantling of Poirier is surgical violence.
Trivia, insights & behind the scenes
This card marked the UFC's pivot toward personality-driven marketing—McGregor's post-fight interview invented the 'red panty night' era.
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