Ronald Barrera is outside the current major-body rankings. His most recent ranking was December 2011 in the Flyweight 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 2011 | December 2011 | 7 months |
| Light Flyweight | May 2008 | November 2009 | 5 months |
| Minimumweight | December 2002 | January 2010 | 4 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.