Jon Jones choked out Ryan Bader in 2011, but the Bellator champ-champ wants another crack at the UFC legend ... admitting he just wasn't the complete fighter he is now.
TMZ Sports talked to Bellator's 37-year-old light heavyweight and heavyweight champ -- who's taking on Vadim Nemkov at Bellator 244 Friday night -- about his history with Jones ... and Bader made it very clear he's got revenge on his mind.
"I would love to have that [Jon Jones] fight. It'd be a big fight," Bader says.
"Hell yeah, I would love to do some sort of cross-promotion with him or any of the guys over there.