Here's what I've got so far....

Heavy

Ali
Louis
Holmes
Foreman
Tyson

(Then any from Lewis, Frazier, Holyfield, Liston, Marciano, Dempsey & Johnson)

Light Heavy

Archie Moore
Billy Conn
Ezzard Charles
Roy Jones Jr
Michael Spinks
Jimmy Bivins
Bob Foster
Harold Johnson
Philadelphia Jack O'Brien
Maxie Rosenbloom
Tiger Jack Fox


Middleweight

1. Marvin Hagler
2. Carlos Monzon
3. Harry Greb
4 Sugar Ray Robinson
5. Mickey Walker
6. Charley Burley
7 Bernard Hopkins
8 Stanley Ketchel
9. Marcel Cerdan
10 Tony Zale

Lightweight

1. Roberto Duran
2. Benny Leonard
3. Tony Canzoneri
4. Joe Gans
5. Ike Williams
6. Alexis Arguello (Greatest Super Feather of all time)
7 Beau Jack
8. Julio Cesar Chavez (All time p4per, but best years at +130
9. Carlos Ortiz
10. Lou Ambers