Steve Mamakos has ranking history, with the latest entry from June 1941 in the Middleweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Middleweight | May 1941 | June 1941 | 2 months |
| Welterweight | September 1938 | May 1940 | 1 year 3 months |
Time ranked counts distinct months this fighter appears on a rankings list for that division. If they drop out and return later, months off the ranking lists are not included.