Xiong Zhao Zhong, the China boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from January 2017 in the Minimumweight 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 | June 2009 | June 2009 | 1 month |
| Light Flyweight | July 2010 | November 2012 | 2 years 5 months |
| Minimumweight | March 2014 | January 2017 | 2 years 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.