‘Legit unbelievable’ – KSI hails boxing rival Logan Paul after he signs contract with WWE

KSI hailed Logan Paul's switch to WWE as his boxing rival lined up a huge bout against The Miz.

Wrestling giants also saluted Paul's 'exciting' multi-year deal.

The YouTuber was twice beaten by KSI - as an amateur and as a pro - before they became business partners.

And on Paul's new move, fellow social media star KSI posted on Instagram: "Been watching WWF/WWE for so years and to see you achieve this is legit unbelievable. Congrats."

Back in April, Paul gave WWE fans a taste of what he's capable of.

He partnered The Miz against Rey and Dominik Mysterio at WrestleMania 38 in Dallas, Texas.

But he was uncharacteristically restrained when announcing his official deal.

The American, 27, merely posted: "‘Just signed with the @WWE."

He later warned 41-year-old Raw superstar The Miz as he held up a piece of paper saying: "Coming 4 u @Miz."

And WWE legend Paul ‘Triple H’ Levesque didn't hold back with his enthusiasm for Paul's arrival in WWE.

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He tweeted: "I think it’s safe to say @LoganPaul shocked the world with his abilities as a guest at #WrestleMania … just imagine what he’ll do as a @WWE Superstar. Congratulations and welcome!"

And Stephanie McMahon, who is WWE's interim chairwoman and CEO, said: "Welcome to the dance @LoganPaul. 

"Excited to have you as a part of the @WWEUniverse!"

KSI could even join Paul in the wrestling world - eventually.

The 29-year-old from Watford said: "Man, that’s my childhood. I used to watch Stone Cold Steve Austin, The Rock, Hulk Hogan, Sting, Mick Foley/Mankind, The Undertaker, all these guys.

"I’m a fan, so it would be a dream come true to fight in the WWE.’