Rosendo Alvarez is outside the current major-body rankings. His most recent ranking was December 2006 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 | October 2004 | December 2006 | 2 years 3 months |
| Light Flyweight | January 1999 | September 2004 | 5 years 9 months |
| Minimumweight | October 1998 | December 1998 | 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.