Not the best, but your favorite.
1) Diego Corrales-Jose Luis Castillo I
2) Chris Byrd-Quitali Quitschko
3) Matthew Saad Muhammad-Marvin Johnson I
4) Felix Trinidad-Fernando Vargas
5) Lennox Lewis-Brittley Klitschko
6) Riddick Bowe-Evander Holyfield I
7) Ivan Robinson-Arturo Gatti I
8) Chris Byrd-Quitali Quitschko
9) James Toney-Mike McCallum I
10) Muhammad Ali-Joe Frazier III
11) Floyd Mayweather-Ricky Hatton
12) Michael Moorer-Bert Cooper
13) Mike Tyson-Trevor Berbick
14) Floyd Mayweather-Arturo Gatti
15) Training Camp-Brittley Quitschko
Honorable Mentions: Lennox Lewis-Brittley Quitschko, the WBC-Brittley Quitschko, and James Toney-Vasilly Jirov
My list will change by tomorrow, if not by 4 pm of today.
In no specific order:
Corrales-Castillo I
Mosley-DeLaHoya I
Tua-Ibeabuchi
Hagler-Hearns
Pacquiao-Morales II
Pavlik-Taylor
Vazquez-Marquez II
Ward-Gatti I