Arman Tsarukyan left no doubt that he deserves to fight for the lightweight belt (up to 70,3 kg). The Armenian faced Mauricio Ruffy in the co-main event of UFC 331 , held this Saturday (19), and knocked out the Brazilian in the first round.
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The outcome came in the final seconds of the round, when Tsarukyan attempted to take Ruffy down in a clinch. The Armenian released the Brazilian's body and, unexpectedly, landed an elbow strike that knocked out the former Fighting Nerds member.
Watch Arman Tsarukyan's knockout of Mauricio Ruffy at UFC 331.
ARMAN KNOCKS MAURICIO RUFFY OUT COLD!!!
📺 #UFC331 on @paramountplus pic.twitter.com/v7mDUuLQGI
— UFC on Paramount+ (@UFConParamount) September 20, 2026
With the defeat, Mauricio Ruffy He suffered his third career defeat, his second inside the UFC octagon. Arman Tsarukyan, in turn, achieved her 24th career victory and took another step towards her dream of fighting for the category's belt.
UFC 331 results
MAIN CARD
Flyweight (up to 56,7 kg): Joshua Van defeated Alexandre Pantoja by unanimous decision (49-46, 49-47, 50-45) and defended his title.
Lightweight (up to 70,3 kg): Arman Tsarukyan defeated Mauricio Ruffy by knockout (elbow strike) at 4:56 of round 1.
Featherweight (up to 65,7 kg): Patricio Pitbull defeated Dooho Choi by knockout (punches) at 3:28 of round 1.
Heavyweight (up to 120,2 kg): Sean Sharaf defeated Gable Stevenson by knockout (punch) at 12 seconds of round 1.
Light heavyweight (up to 92,9 kg): Alonzo Menifield defeated Iwo Baraniewski by split decision (29-28, 28-29, 29-28)
PRELIMINARY CARD
Bantamweight (up to 61,2 kg): Marlon Vera defeated Charles Jourdain by technical knockout (punches) at 2:02 of round 3.
Heavyweight (up to 120,2 kg): Robelis Despaigne defeated Tai Tuivasa by split decision (29-28, 28-29, 29-28)
Featherweight (up to 65,7 kg): Michael Aswell Jr. defeated Joo Sang Yoo by split decision (29-28, 28-29, 29-28)
Middleweight (up to 83,9 kg): Ryan Gandra defeated Ozzy Diaz by knockout (punches) at 2:04 of round 1.
Middleweight (up to 83,9 kg): Edmen Shahbazyan defeated Brunno Hulk by unanimous decision (29-28, 29-28, 30-27)
Flyweight (up to 56,7 kg): Casey O'Neill defeated Eduarda Ronda by submission (armbar) at 3:22 of round 1.
Featherweight (up to 65,7 kg): Joanderson Tubarão defeated Giga Chikadze by knockout (punches) at 1:57 of round 1.
Johnny Walker opens up about his heavyweight debut at UFC 332.
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