Ryoichi Taguchi, the Japan boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from November 2019 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 | November 2018 | November 2019 | 1 year 1 month |
| Light Flyweight | November 2011 | February 2019 | 6 years 9 months |
| Minimumweight | July 2014 | October 2014 | 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.