Don Cockell has ranking history, with the latest entry from October 1955 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 | August 1953 | October 1955 | 2 years 1 month |
| Light Heavyweight | October 1950 | May 1952 | 1 year 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.