I prefer boxers, but in-fighters with skills ( mike tyson for example ) are also cool to watch. ( I'll manage to find, just give me who vs who & I'd prefer if I could find them on the internet or not too hard to find on tape ! )
Tony vs Charles Williams Toney vs McCallum Duran vs Moore Rocky Lockridge vs Tony Lopez (id start here )
The list is too large for one post. Go on you tube for starters though: Cornelius Boza-Edwards v. Bobby Chacon II (1983) Frankie Randall v. Julio Ceasar Chavez I (1994) Marvin Hagler v. Thomas Hearns (1985) Matthew Saad Muhammad v. Marvin Johnson I and II (1977, 1979)
To get you started.... Duran Leonard 1 Leonard Hearns Hearns Hagler Duran Hagler Pryor Arguello 1 & 2 FOTC Ali Frazier Duran DeJesus (all of them) Frazier Bonaveno Ali Norton 1 Delahoya Trinidad Delahoya Mayweather Mayweather Corales Pac Barerra 1