Matvey Korobov, the Russia boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from November 2019 in the Middleweight 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 Middleweight | February 2014 | November 2018 | 10 months |
| Middleweight | May 2010 | November 2019 | 3 years 7 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.