OSP appeared on the "TMZ Sports" TV show (airs tonight on FS1) -- and told the guys he knows D.C. and they're "pretty cool" ... but wants his current trainer Joey Zonar to continue leading his training program.
So, how exactly would Cormier contribute? Check out the clip.
By the way, there's A LOT more in the full interview -- including OSP's thoughts about Jon Jones' legal issues.
Make sure to watch "TMZ Sports" weeknights on FS1.