I Suppose Edwin Valero certainly qualifies Ditto Tony Ayala I remember a Prospect who seemed to be somewhat Maniacal Seek and Destroyer called Engels Pedrosa, ultimately his defence let him down Animal Fletcher, Barckley, Duran
Recent memory suggests inactive. I'll go with Tyson. Not great but if you're talking about bad ass, he was considered the baddest man on the planet.
there's really a lot...it would have been easier to name, since they are fewer, them runners, fighters that fight scared.