KSI stated that he will be returning to boxing to "f*** Jake Paul" and displayed his impressive body transformation.
YouTube star Olajide Olayinka Olatunji, real name Olajide Olayinka Olatunji, last boxed in 2019, beating Logan Paul in a scrappy split decision win.
After his last fight, KSI gained weight
Since then, he has been focusing on his fledging music business which has ruled out a return to the ring.
However, KSI announced that he will be making his boxing comeback on August 27.
While on a recent tour, the star fighter made it clear that he is serious about American Paul.
KSI stated: "It's funny, so many momf***ers think, 'He ain’t going to box again. He’ll stick with the tune'. To be honest, I could have.
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"But I was like, nah man. I need to f*** Jake Paul. It's coming, so you better believe it.
KSI, 28 years old, was completely naked on stage. He had gained weight since his last fight and has shown off his amazing physique.
Londoner fought his first white collar bout against Joe Weller (26), in 2018. He won with a TKO in the third round.
He also drew in the same year against Logan, his 27-year-old business partner, in Manchester. Their rematch was set up a year later.
SIGN UP DEALS AND FREE BETS - THE BEST NEW CUSTOMER OFFERINGSHowever, it was controversially decided that the fight would be a professional one with Anthony Joshua's promoter Eddie Hearn hosting the fight.
It was again a six-round affair with KSI winning a knockdown to defeat Logan. Logan suffered a two point deduction.
KSI was then set up to fight Jake, his brother. Jake beat Jake in 2020.
Although the grudge match did not take place, Jake is now 5-0 and has become the most successful boxer to have left YouTube.