Arman Tsarukyan nearly jeopardized his UFC Fight Night main event with Dan Hooker in Doha, Qatar. During Friday's ceremonial weigh-ins, Tsarukyan struck Hooker with a head butt before UFC personnel intervened.

Tsarukyan and Hooker, both of whom made weight for this weekend's main event , faced off for the cameras on Friday. Tsarukyan lunged over UFC matchmaker Mick Maynard's arm, striking Hooker with a head butt during their staredown. Both men appeared to be fine after the altercation, with neither sporting cuts or significant visible damage.

Tsarukyan is currently ranked No. 1 in the UFC's official lightweight rankings and is on the cusp of a title shot. A win over Hooker should net him a lightweight title shot. Tsarukyan threatened to derail the fight had either party been injured

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