Watch Jake Paul's X-rated ringside meltdown in final minute of Logan's fight against Floyd Mayweather

JAKE PAUL went viral for his X-rated reaction to the final minute of brother Logan's fight against Floyd Mayweather.

The Problem Child was more than a little excited that the boxing legend went all eight rounds with his YouTuber sibling on Sunday night.

Paul, 26, secured a moral victory after taking Mayweather's best punches, leading Money to laud his toughness.

And Jake, 24, was at ring-side for the exhibition bout and recorded himself cheering on his brother in the final stages.

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He shouted: “30 seconds. Let’s f***ing go! 30 seconds for the rest of your f***ing life!

“You’re winning! Oh, uppercut! Yeah! 30 seconds for the rest of your life!”

In the build-up, Jake caused headlines by sparking a brawl at the press conference when he stole Mayweather’s cap while yelling ‘gotcha hat’.

The 3-0 boxer harked back to the phrase seconds before the final bell as he claimed Logan had taken the 44-year-old's career.

Jake continued: “10 seconds. Gotcha f***ing career, gotcha f***ing career!

“50-1, 50-1, f*** all of you! Logan Paul just beat Floyd Mayweather!

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“Gotcha fing career, gotcha fing career, gotcha f***ing career, aah!”

SunSport previously reported that Mayweather landed fewer punches on Logan Paul than on Conor McGregor when he stopped the UFC star.

And after marking his comeback without a showstopping finish, the American appeared to pour cold water on ever fighting again.