Brandon Rios has ranking history, with the latest entry from October 2015 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 | July 2013 | October 2015 | 1 year 8 months |
| Super Lightweight | June 2012 | December 2013 | 1 year 7 months |
| Lightweight | December 2009 | March 2012 | 2 years 4 months |
| Super Featherweight | July 2009 | November 2009 | 5 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.