Kazuo Okada, the Japan boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from August 2003 in the Flyweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Flyweight | May 2003 | August 2003 | 3 months |
| Light Flyweight | August 2001 | February 2003 | 1 year 6 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.