Bobby Chacon, the United States boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from April 1985 in the Super Featherweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Lightweight | June 1975 | January 1976 | 4 months |
| Super Featherweight | July 1975 | April 1985 | 6 years 9 months |
| Featherweight | March 1973 | May 1975 | 1 year 11 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.
