I know there were some huge fights in the 80s so its hard to crack that list but as far as capturing the imagination of the General Public Cooney vs Holmes was HUUUUUUUUUGE! Way bigger than even the ones you have listed, im guessing you werent a fan then or else i think you would have put that down. Also Spinks vs Tyson was also huge and highly anticipated even though Tyson was already huge in populartity alot of experts thought Spinks would take it. If im not mistaken that was the Most Money fighters had ever made up to that point.
those two fights are really thinking of squeezing in the 5th spot but the top 4 spots seems locked to me...