Ruffy is preparing for the biggest test of his Ultimate Fighting Championship career when he faces Arman Tsarukyan in the co-main event of UFC 331 on Sept. 19 in Los Angeles. Tsarukyan's wrestling prowess is a key factor in the matchup, but Lopez believes his fighter has made significant strides in that area.
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Mauricio Ruffy’s defensive wrestling improves ahead of Arman Tsarukyan fight at UFC 331 Ruffy made the move from the Brazilian gym Fighting Nerds after losing to Benoit St. Denis in September 2025, joining Volkanovski’s team in Australia. Speaking to Submission Radio, Volkanovski’s head coach Lopez said Ruffy's development has been particularly noticeable in defensive wrestling and his ability to escape dangerous positions.“Well, it’s just chalk and cheese,” Lopez said. “You can just see how he’s improving, you know?”<…