Beau Jack has ranking history, with the latest entry from October 1949 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 1948 | October 1949 | 1 year 1 month |
| Lightweight | February 1948 | September 1949 | 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.