Doug Vaillant is outside the current major-body rankings. His most recent ranking was March 1965 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 |
|---|---|---|---|
| Super Lightweight | August 1963 | March 1965 | 10 months |
| Lightweight | May 1960 | June 1964 | 3 years |
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.