I've always been a stark Tyson defender when it comes to people attacking his opponents credibility and I always say one of the good fighters he beat was James 'Bonecrusher' Smith, but good lord, I just looked at this guys record and not only was I dead wrong about him being decent, I think I might have to go as far as saying he flat out sucked. Aside from being KTFO in his first fight, take a look at his record:

http://www.boxrec.com/boxer_display.php?boxer_id=000563