A couple of Boxing Quizzes: Undisputed HW/MW Champions

[JazMerkin]

Just done the Heavyweight one, had it done but you spelt 2 of the names wrong which led to me spending about a few of the names wrong which led to me trying to figure out how you'd mispelt them. Canadians - you can't take them anywhere

Second one is harder, I had them all except the guy between 'the guy who's name it won't let me hide in the spoiler's' reign in the 70s. Had to wiki that one, are you sure he was an undisputed champ?