Im not talking about just fighting in this time span, im talking about the best during this time, let me know if im forgetting anyone:

1.Lennox Lewis
2.Evander Holyfield
3.Mike Tyson
4.George Foreman
5.Riddick Bowe
6.Michael Moorer
7.Buster Douglas
8.Wlad Klitschko
9.Vitali Klitschko
10.Chris Byrd

Honorable Mentions: Larry Holmes, Razor Ruddock, Oliver McCall, Andrew Golota,Ray Mercer,Tommy Morrison, John Ruiz, Hasim Rahman, Shannon Briggs