Jason Welborn has ranking history, with the latest entry from November 2018 in the Super Welterweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Middleweight | May 2018 | October 2018 | 6 months |
| Super Welterweight | October 2018 | November 2018 | 2 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.
