Joan Guzman has ranking history, with the latest entry from May 2013 in the Super Lightweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Super Lightweight | October 2008 | May 2013 | 1 year 10 months |
| Lightweight | April 2008 | March 2010 | 2 years |
| Super Featherweight | May 2004 | August 2008 | 2 years 7 months |
| Featherweight | August 2005 | April 2006 | 9 months |
| Super Bantamweight | June 2001 | August 2005 | 4 years 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.