Between my own personal top 6 H2H Heavyweights I'd like to here yours, use what ever rules and rematch clauses you want, but please specify Lewis Foreman Liston Tyson Ali Bowe
For me over 12 with 2 way rematch clauses, all in 20ft rings with refs from the 50s (the don't stop until you stop breathing refs) Lewis (8-2) Loses at the first with Liston, the second with Ali. Wins the rest Ali (8-1-1) Beats Tyson, Foreman and Liston 2*, beats Lewis and Bowe the second time Loses to Lewis the first and draws with Bowe the first (I can't decide who so I'm copping out) Bowe (2-7-1) Loses twice to Foreman and Lewis. Loses a fight with Tyson and Liston, probably wins the other. Draws with Ali, loses Rematch. Foreman (5-5) Beats Bowe and Tyson twice, Liston once, Loses to Ali and Lewis twice, loses to Liston in the other fight Liston (5-5) Beats Lewis once, Loses rematch, loses to Ali twice, loses to Foreman once, wins the other, same with Bowe. Beats Tyson twice Tyson (1-9) Beats Bowe once, loses to him in the other, Loses to Ali, Liston, Lewis and Foreman twice People like Bowe and Tyson do better against other ATG HWs imo