Henry Armstrong has ranking history, with the latest entry from April 1945 in the 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 |
|---|---|---|---|
| Welterweight | June 1938 | April 1945 | 4 years 11 months |
| Lightweight | July 1937 | August 1939 | 1 year 5 months |
| Featherweight | January 1935 | August 1938 | 3 years 3 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.