On This Day: Mike Tyson made his pro debutHome|HistoryMatt ChristieMar 06 20191. HECTOR MERCEDES, March 6, 1985 Mike Tyson was 18 years old when he made his professional debut. It did not last long, and the journey – perhaps the most engrossing in boxing history – was underway. Pages: 1 2 3 4 5 6 7 8 9 10Share Page