Juan Lazcano, the Mexico and United States boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from January 2009 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 |
|---|---|---|---|
| Welterweight | May 2004 | May 2004 | 1 month |
| Super Lightweight | November 2005 | January 2009 | 3 years 3 months |
| Lightweight | August 2000 | June 2006 | 5 years 11 months |
| Super Featherweight | July 2000 | August 2000 | 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.