Edwin Rosario is outside the current major-body rankings. His most recent ranking was March 1992 in the Super Lightweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Welterweight | June 1988 | June 1988 | 1 month |
| Super Lightweight | June 1991 | March 1992 | 10 months |
| Lightweight | June 1982 | August 1990 | 7 years 3 months |
| Super Featherweight | August 1981 | January 1983 | 1 year 5 months |
| Featherweight | June 1981 | November 1981 | 5 months |
| Super Bantamweight | January 1981 | May 1981 | 4 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.
