Some of my Favourite mythical match ups - who wins?

[Dark Lord Al]

Here are a few of mine.

Foreman v Liston.
Dempsey v Marciano.
Fenech V McGuigan. FW.
Hagler v McClellan. MW.
Jackson v Tommy Hearns . LMW.

[BIG H]

Here are a few of mine.

Foreman v Liston.
Dempsey v Marciano.
Fenech V McGuigan. FW.
Hagler v McClellan. MW.
Jackson v Tommy Hearns . LMW.

Foreman
Marciano
McGuigan (if it was the Pedroza McGuigan)
Hagler
Jackson KO (Not half the fighter of Hearns though)