Nikolai Valuev has ranking history, with the latest entry from December 2011 in the 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 |
|---|---|---|---|
| Heavyweight | November 2000 | December 2011 | 10 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.