WW Tito Trinidad JM Jullian Jackson Wilfredo Gomez Bob Foster Tommy Hearns Not atg but huge punchers Acelino "popo" Freitas Donavan "razor" Ruddick Bennie Brisco Vic Darchynin
Sugar ray Leonard Chris Eubank Pernell Whitaker Roy Jones Jnr Jan Manuel Marquez there plenty more but those spring to mind from my era!!
If you are talking best punchers you have to throw Cuban Amateur standout Felix Savon in there. He was one punching guys with those amateur gloves on. Or breaking their ribs with body shots.
Honorable mentions for; Ray Robinson Naseem Hamed Carlos Monzon Bob Foster Stanley Ketchel Tommy Hearns Ruben Olivares Sam Langford Earnie Shavers Edwin Rosario