Who would win in these fights?

Heavyweight: Ali vs. Tyson, Cruiserweight: Holyfield vs Adamek, Light Heavyweight: Archie Moore vs Michael Spinks, Middleweight: Hagler vs Hopkins, Welterweight: Leonard vs Robinson, Lightweight: Duran vs Whitaker, Super Featherweight: Chavez vs Arguello, Featherweight: Sal Sanchez vs Barrera. Please give me a detailed answer i would appreciate it a lot!=)