If memory serves, Max tended to reach a lot with his punches, and he wasn't the quickest guy in the world. Not a lot of head movement either. I see Quarry's counters, with his versatility and quicks, tagging Max repeatedly.
He beat four hall of fame inductees. Won the heavyweight title even though he turned pro as a middleweight. Great counter puncher and defensive fighter. Overall he was very good. Probably a top 25 ATG