Julio Cesar Chavez, the Mexico boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from September 1999 in the Super Lightweight 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 1998 | September 1998 | 3 months |
| Super Lightweight | September 1989 | September 1999 | 9 years 10 months |
| Lightweight | March 1987 | February 1989 | 1 year 10 months |
| Super Featherweight | August 1982 | February 1987 | 2 years 8 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.