Mike Tyson, This Day in Boxing “Iron” Mike Tyson 1st PRO FIGHT vs Hector Mercedes This Day March 6, 1985 SteveMarch 6, 2020, 7:33 amMarch 6, 2020 760 Facebook Twitter “Iron” Mike Tyson 1st PRO FIGHT vs Hector Mercedes This Day March 6, 1985 Mike Tyson 214 lbs Hector Mercedes 199¾ lbs TKO 1:47 round 1 Empire State Plaza Convention Center, Albany, New York Referee: Luis Rivera Previous ArticleJoe Frazier Scores Important Win Over Jimmy Ellis This Day March 2, 1975Next ArticleMike Tyson Unifies Heavyweight Title vs Bonecrusher Smith This Day March 7, 1987