Mauricio Ruffy knocked out by Arman Tsarukyan at UFC 331

Yahoo Sports • 1 min read • Latest: Sep 25, 2026, 12:06 PM

Last updated Sep 25, 2026

Mauricio Ruffy knocked out by Arman Tsarukyan at UFC 331
Summary

Mauricio Ruffy faced Arman Tsarukyan in a lightweight co-main event at UFC 331 on September 24, losing by knockout with just four seconds remaining in Round 1. Ruffy had been performing well, landing solid shots and defending takedowns, when he let his guard down. Tsarukyan seized the moment, delivering two decisive elbows that ended the match. Ruffy acknowledged his defensive lapse in a statement, admitting he relaxed too soon despite a promising performance.

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By the Numbers
  • •Event took place at UFC 331 in Los Angeles on September 24.
  • •Ruffy was knocked out by Tsarukyan with seconds left in the round.
  • •Ruffy's previous strategy was effective until the critical mistake.
  • •Ray Longo criticized Ruffy's lapse in defense as unacceptable.
  • •Ruffy had been on a two-fight winning streak before this loss.
Latest Updates
  • 12:06 PMYahoo Sports — Ray Longo: Mistake Mauricio Ruffy made vs. Arman Tsarukyan is 'f*cking unacceptable'
What they're saying
"

Ray Longo can't believe Mauricio Ruffy got careless against Arman Tsarukyan.

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