Who do each of these heavyweights match against better, H2H: Louis or Ali? Sullivan Jeffries Johnson Dempsey Tunney Marciano Liston Frazier Foreman Holmes Tyson Holyfield Lewis Feel free to comment on the chances of other outstanding heavyweights. My picks: Sullivan -- Louis Jeffries -- Louis up to 15 rounds; Ali 20+ Johnson -- Louis, but close (originally I said even) Dempsey -- Louis, but close Tunney -- Louis, but close Marciano -- Louis, but close Liston -- Louis Frazier -- Ali, but close Foreman -- Louis Holmes -- Ali, but close Tyson -- Louis, but close Holyfield -- Even Lewis -- Even