As a pro, 50.
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58 fights. 50 wins, 6 losses and 2 no contests. boxrec.com will have his complete record.
37 straight wins before his fight with buster that ended with a lost.
{| ! Total fights | 58 ! Wins | 50 ! Wins by KO | 44 ! Losses | 6 ! Draws | 0 ! No contests | 2 http://www.boxrec.com/list_bouts.php?human_id=000474&cat=boxer |}
Mike Tyson has 8 children
The first time Mike Tyson was knocked down was in his 38th professional bout against James 'Buster' Douglas on February 11th 1990, with the undisputed heavyweight championship of the world on the line. Tyson was counted out by the referee when Douglas knocked him down for the first time in his career in the 10th round, despite Douglas being dropped in the 8th round.
A lot!
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37
mike tyson has lost to buster douglas by ko holyfeild twice once by ko one dq. He was kod by lennox lewis and kind of just quit in his last two fights to danny williams and a big fat irish fighter. A total of six loses as a professional.
Many people have fought Mike Tyson. The question really is not whether you can fight him, but whether you can win if you do. That is harder.