Michael Arango has ranking history, with the latest entry from October 2010 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 | March 2009 | October 2010 | 2 months |
| Light Flyweight | March 2009 | August 2010 | 1 year 3 months |
| Minimumweight | July 2008 | November 2009 | 11 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.
