Mike Tyson PRO DEBUT KOs Mercedes This Day March 6, 1985
- Mike Tyson 214 lbs
- Hector Mercedes 199¾ lbs
- TKO at 1:47 in round 1 of 4
- Location: Empire State Plaza Convention Center, Albany, New York, USA
- Referee: Luis Rivera
Mike Tyson (debut) vs. Hector Mercedes 0-3
Fight was on the undercard of Kevin Rooney vs. Garland Wright.
It was the second knockout loss of Mercedes’ professional career.