Detroit rapper Tee Grizzley is pissed at Adrien Broner ... saying Adrien cost him a grip of cash when he got punished by Manny Pacquiao ... a $20,000 grip to be exact.
Broner got his ass handed to him Saturday night, in a fight where he only landed 50 punches and spent most of the match on his bike, running from a 40-year-old.
After the fight, Broner told Jim Gray he believed he won the fight -- and noted his pals in the "hood" were behind him.