Jackie Wilson, the United States boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from February 1947 in the Welterweight 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 | January 1942 | February 1947 | 2 years 4 months |
| Lightweight | November 1939 | November 1941 | 2 years 1 month |
| Featherweight | April 1933 | May 1945 | 6 years 7 months |
| Bantamweight | March 1932 | April 1932 | 2 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.
