UFC's Ovince Saint Preux: Accepts Daniel Cormier's Offer ... Sorta

Ovince St. Preux says he "humbly accepted" Daniel Cormier's offer to train him for the Jon Jones fight at UFC 197 ... but only in a small guest trainer capacity.

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.