I'm referring to the Mihawk that was famous during Roger's time. It wouldn't make sense for him to be top tier or WSS at the time.
With this divergence, I don't see any reason to continue the discussion, it will never come to anything, anyway, here's the reference.
大海賊時代以前より頭角を現し、今や名実共に「世界一」の座に君臨し続ける、稀代の大剣豪。
He made a name for himself before the Great Pirate Age Now he continues to reign from his place as the Best in the World both in name and reality He's an extremely rare ( amazing ) swordmaster.
He made a name for himself before the Great Pirate Age Now he continues to reign from his place as the Best in the World both in name and reality He's an extremely rare ( amazing ) swordmaster.