If Jon Jones really wants a piece of Francis Ngannou, The Predator tells TMZ Sports he's 1 million percent down to clash with the UFC superstar!!!
Of course, it's not that simple ... Jon's the light heavyweight champ and currently fights at 205 lbs. Francis is the #2 ranked heavyweight ... and negotiations haven't even gotten started yet.
But, Ngannou says the bottom line is that he's game ... IF Jon's serious about moving up a weight class and actually signing on the dotted line.
"Listen, let's be clear about something.