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UFC's Tommy McMillen hospitalised after possible overdose at Scottsdale nightclub

Tommy McMillen, one of the UFC's fastest-rising prospects, was found unresponsive in a Scottsdale nightclub on Sunday and rushed to hospital after a possible overdose. Officers administered Narcan at the scene; McMillen was reported to be in stable condition on arrival.

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UFC's Tommy McMillen hospitalised after possible overdose at Scottsdale nightclub
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Tommy McMillen, an unbeaten UFC fighter and protégé of former bantamweight champion Sean O’Malley, was rushed to a local hospital on Sunday after being found unresponsive inside the Cake nightclub in Scottsdale, Arizona, according to a report by TMZ Sports.

Responding officers discovered McMillen in the bathroom with a white, powdery substance on the ground nearby. They administered Narcan — an opioid antagonist used to reverse potential overdoses — before transporting him to hospital, where he was listed in stable condition upon arrival.

The 28-year-old has been one of the standout stories of the 2025 UFC Contender Series season, carrying that momentum into the main roster with three consecutive wins, each earning a performance bonus. His aggressive, action-first style earned him a devoted fanbase, as did the rockstar persona he cultivated outside the cage. McMillen most recently defeated Marwan Rahiki at Noche UFC in September, taking home Fight of the Night honours.

No further details on his condition have been confirmed beyond the initial stable status reported at the time of admission.

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