Remember the guy who split Tyson Fury's face in half back in Sept. and came thiiiis close to upsetting the Gyspy King?
That fighter is Otto Wallin -- and he tells TMZ Sports he did a MUCH better job fighting Tyson Fury than Deontay Wilder and deserves a rematch before Wilder gets his 3rd crack.
"I'm the guy who landed the most punches on Fury, ever," Wallin tells us ... "I cut him. I gave him 2 cuts. One above the eye, one on the eyelid, and it was a grueling fight.