Jake Paul and his opponent's fans exchange explicit chants at weigh-in

Jake Paul and fans of his opponent, Ryan Bourland, exchanged expletives during Friday night's weigh-in in San Juan, Puerto Rico. Paul and Bourland square off Saturday at Coliseo Jose Miguel Agrelot.

SAN JUAN, Puerto Rico — Jake Paul put on a show before the show for several hundred at Friday night’s weigh-in.

Paul will face his most experienced opponent, Ryan Bourland, in Puerto Rico Saturday night .

Nicknamed "The Rhino," Bourland is a former Golden Gloves champion with 19 pro fights under his belt. 

Bourland has a career record of 17-2.

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Jake Paul, left, and Ryan Bourland square off at Distrito T-Mobile March 1, 2024, during the weigh-in for their cruiserweight fight  in San Juan, Puerto Rico. (Al Bello/Getty Images)

Paul has made Puerto Rico home in recent years, crediting the island for his boxing success and saying he’s been able to train more diligently and lock in more easily.

But he didn’t exactly have much of a home ring advantage at Distrito T-Mobile in San Juan.

Plenty of Rhino supporters were in the crowd, some chanting "F--- Jake Paul" when he entered the stage.

So Paul, a master of the troll, egged them on in response. When asked by reporter Ariel Helwani about his emotions, he chanted his response.

"F--- the Rhino," he sang several times.

Jake Paul, left, and Ryan Bourland during the weigh-in at Distrito T-Mobile March 1, 2024, in San Juan, Puerto Rico, for their cruiserweight fight. (Al Bello/Getty Images)

Bourland supporters responded with a "F—- Jake Paul" chant.

But Paul had the final word.

"I'm sick of these dumba-- rhinos walking around this motherf---ing island. Tomorrow, the rhinos are going extinct. I promise you that."

JAKE PAUL IS ‘BASICALLY A