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The UFC will honor the late Charlie Kirk on Saturday at "Noche UFC" ... days after the beloved activist was assassinated on a college campus in Utah.

TMZ Sports has learned the fight promotion will pay tribute to Kirk near the top of the main event at 6PM ET ... going down in front of a packed crowd at Frost Bank Center in San Antonio.

The specifics of the tribute aren't known.

It's not surprising to see the UFC honor Charlie. Dana White , who appeared on CK's popular podcast in 2023, had a warm relationship with Kirk, a big sports fan, over the years.

In fact, Charlie once described Dana as the "best president of any sports league."

In the wake of Charlie's assassination, scores of fighters, including Henry Cejudo , Jorge Masvidal , Gilbert Burns , Aljamain Sterl

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