Mauricio Ruffy explains where things went sideways at UFC 331 vs. Arman Tsarukyan

Mauricio Ruffy speaks in depth for the first time about his UFC 331 loss.

By Nolan King · Yahoo

Published: Wednesday, 23 September 2026 at 11:40 PM

Key Things to Know

Arman Tsarukyan defeated Mauricio Ruffy via first-round knockout at UFC 331.
Ruffy successfully stopped Tsarukyan's takedowns before succumbing to a late first-round blow.
Tsarukyan is positioned to potentially fight lightweight champion Justin Gaethje next for the UFC title.

The Story in 60 Seconds

Mauricio Ruffy addressed his first-round knockout loss to Arman Tsarukyan following their lightweight clash at UFC 331. While Ruffy managed to stop Tsarukyan's initial takedown attempts, Tsarukyan found an alternative opening and landed a fight-ending blow near the end of the opening round.

The bout has shifted the UFC lightweight title landscape, positioning Tsarukyan for a potential championship matchup against titleholder Justin Gaethje. Meanwhile, the victory drew praise across the sport, with Tsarukyan having previously incorporated training insights from former champion Demetrious Johnson.

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Mauricio Ruffy explains where things went sideways at UFC 331 vs. Arman Tsarukyan

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