Richard Rivera, the United States boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from June 2026 in the Light Heavyweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Cruiserweight | October 2022 | February 2024 | 1 year 5 months |
| Light Heavyweight | August 2022 | June 2026 | 3 years 6 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.