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Former NBA slam dunk champion Nate Robinson and internet personality Jake Paul will fight as an undercard to Roy Jones Jr. vs Mike Tyson. The fight is expected to take place in Sept. 12 in Carson, California, but both already throwing verbal haymakers, via TMZ Sports:

“You’re not ready, you haven’t even sparred yet,” Jake said. “You don’t even know what it’s like to spar, buddy.”

“Shut up, Jake … with your bird head ass,” Nate barked back. “Listen, come September 12, bro, you said you was gonna knock me out. Just make sure you’re a man of your word.”

Jake added, “This is the only thing you have going for you … where was Nate Robinson before this? … I’m like a doctor with the shock pedals reviving your career!!”