JAKE PAUL lashed out at Conor McGregor's lack of head movement and his chin being 'wide open in' embarrassing training footage.
McGregor posted a video hit pad as he recovers from a fractured tibia he suffered in July.
Conor McGregor in training for his UFC return.
Paul, a YouTuber and prizefighting star turned YouTuber, mocked the video.
He wrote on Instagram: "This embarrassing @thenotoriousmma.
"Open your chin and keep your head still for the PRBLM CHIL right hand of God."
After McGregor's stoppage wins over 'AnEsonGib,' an online rival, and ex-NBA player Nate Robinson (37), Paul began calling McGregor out.
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Since then, he has won three times more, defeating former UFC pairs Tyron Woodley, 39 and Tyron Askren, 37 on points and by knockout.
McGregor, 33 years old, is still interested in a mega-money boxing match, but he has not given up on his pursuit.
He did however respond to Paul's recent KO of Woodley and the reported sales of pay-per-views.
McGregor stated to The Mirror, "Who knows?" Never say never."
Free Bets: Get more than PS2,000 in NEW CUSTOMER DEALSHe said, "I didn’t see the Woodley fight. It made only a few thousand purchases. It was online.
McGregor's 2017 ring debut was lost in 10 rounds to Floyd Mayweather (45), boxing legend.
UFC fighters cannot compete outside the promotion. The crossover clash is a unique event that has never been repeated since.
McGregor, 33, suffered a terrible leg injury against Dustin Poirier. He lost the fight to doctor stoppage.
He had surgery and is now undergoing rehabilitation ahead of the UFC return later this year.
