Mike Tyson Officially Announces He Is Training Chris Brown

As we're gearing up for the celebrity fight of the century this spring. Mike Tyson is officially training Chris Brown.

So it's confirmed. I just got off the phone with Frenchy and Chris Brown. I'm training Chris and he choose me as his trainer to take on Soulja Boy. And Soulja Boy WTF you talking about... I'm gonna teach him to bite somebody's ear? Yeah, that's right! I'm gonna teach him every dirty trick in the book to knock you out. Cause I'm not gonna teach him not to run."
WARNING: The video below contains explicit language - viewer discretion advised.

Mike Tyson hit the studio with Chris Brown to make a quick diss track called "It's Going Down."

WARNING: The video below contains explicit language - viewer discretion advised.