How many fights did Mike Tyson lose?

Answer 1

he fought 58 fights..... won 50 (KO 44) + lost 6(KO 5) + drawn 0 + 2 no contests= 58

rounds boxed 217 : KO% 75.86http://www.boxrec.com/list_bouts.php?human_id=474&cat=boxer

Answer 2

He has lost 6 in his whole career.

0. He lost six, but he did not loose any.

Answer 3

he fought 58 fights..... won 50 (KO 44) + lost 6 (KO 5) + 2 no contests

Answer 4

6