UFC Fight Night 278: Muhammad vs. Bonfim

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UFC Fight Night 278: Muhammad vs. Bonfim was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 6, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States. A welterweight bout between former UFC Welterweight Champion Belal Muhammad and former LFA Welterweight Champion Gabriel Bonfim served as the event headliner.