Ryan Garcia tells TMZ Sports Jake Paul would probably get "beat up" by Floyd Mayweather if the two ever got in the ring ... but he did put at least some respect on the YouTuber-turned-boxer's game -- saying he believes the tilt would at least go the distance.
A potential Paul vs. Mayweather fight appears to be in the works ... after the guys got into a heated back-and-forth outside of the Miami Heat game on Wednesday night.
So, when we got Garcia out promoting his upcoming match with Gervonta Davis out in LA this week -- we had to ask .