Robert Guerrero is outside the current major-body rankings; their most recent tracked listing was September 2024 in the Welterweight 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 | June 2013 | September 2024 | 2 years |
| Lightweight | March 2010 | August 2011 | 1 year 6 months |
| Super Featherweight | December 2008 | August 2009 | 9 months |
| Featherweight | November 2004 | June 2008 | 3 years 3 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.
