The guy on the receiving end of Ray J's fists this morning is rapper Bad Azz from Dogg Pound Gangsta, and he has a bad history with Ray.
Bad Azz tells TMZ ... he and Ray J used to be friends, but ended up in a blood feud a few years back after Ray J told Suge Knight B.A. was talking trash about him. B.A. says Suge and his boys subsequently viciously jumped him.
Bad Azz admits he started the fight with Ray J by pounding on him. He takes issue with our story that Ray J won the fight. B.A. says it was a draw when security broke it up, adding, "I didn't have enough time."