In the main event, Anthony Hernandez defeated Roman Dolidze by submission at 2:45 of Round 4. Over nearly four rounds, Hernandez advanced behind steady pressure and a relentless pace, steering the action toward the fence and forcing prolonged clinch and grappling sequences.

The main even of UFC Vegas 109 was a pivotal middleweight bout between top-ranked contenders Roman Dolidze and Anthony Hernandez.

"Fluffy" is one of UFC's most underappreciated success stories. Hernandez lost two of his first three UFC fights before embarking on an eight-fight win streak. The first hint of his rebellious new fighting style came after he submitted Rodolfo Vieira, regarded as arguably the greatest Brazilian Jiu-Jitsu heavyweight of his generation.