UFC's Dana White confirms FBI talks over unusual betting activity on fighter Isaac Dulgarian match

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UFC president Dana White confirmed that the organization has been in talks with the FBI over "unusual" betting activity on a fight involving fighter Isaac Dulgarian.

Dulgarian was the heavy favorite heading into UFC Fight Night 263 over the weekend but stunningly lost in the first round by submission. It was the first stoppage loss of his career.

Yadier del Valle of Cuba secures a rear choke submission against Isaac Dulgarian in a featherweight fight during the UFC Fight Night event at UFC APEX on Nov. 1, 2025 in Las Vegas, Nevada.  (Chris Unger/Zuffa LLC)

But behind the scenes and prior to the fight, White was contacted by Integrity Compliance 360 (IC360) over what he called "unusual" betting action that reportedly saw wagering interest on opponent Yadier del Valle to win in the first round.

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White told TMZ Sports on Tuesday that they contacted Dulgarian and his attorney before the fight to question him over their concerns.

"We called the fighter and his lawyer, and said, 'What's going on? There's some weird action going on in your bet – some weird betting action going on with your fight. Are you injured? Do you owe anybody money? Has anybody approached you?' And the kid said, 'No, absolutely not. I'm going to kill this guy.' So we said, OK."

White said as soon as the fight was over, the UFC contacted the FBI.

Isaac Dulgarian returns to his corner after the first round of his featherweight fight against Christian Rodriguez during the UFC Fight Night event at UFC APEX on March 16, 2024, in Las Vegas, Nevada. (Jeff Bottari/Zuffa LLC)

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