The UFC is working with the FBI on an investigation into suspicious betting activity before a fight Saturday night in Las Vegas.

UFC president Dana White told TMZ that he spoke with FBI director Kash Patel on Tuesday and twice met with the FBI about a possible fixed fight between featherweights Isaac Dulgarian and Yadier del Valle on UFC Fight Night at the UFC Apex.

“We just had an office full of FBI agents in here,” White said Tuesday.

Dulgarian dropped from a -250 favorite to -150 in the hours before the fight and lost by first-round submission in a performance that was heavily criticized. Multiple sportsbooks took the fight and props off the board and refunded losing wagers on the bout.

White said he questioned Dulgarian before the fight when the UFC was alerted to abnormal betting

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