| 1 |
First few changes between Defazzio and Nicholas took place between 1967 and 1972 in New England. |
| 2 |
Defazzio retired in 1972, vacating the title. |
| 3 |
Defeated Tony Garea to win the revived title. |
| 4 |
Fujinami moved into the heavyweight division in Dec-1981, vacating the title. |
| 5 |
Defeated Dynamite Kid for the vacant title. Vacates in Apr-1982 due to injury. |
| 6 |
Defeated Gran Hamada. |
| 7 |
Vacated on 03-Apr-1983 when Mask is injured by Dynamite Kid in a tag match. Dynamite Kid and Kuniaki Kobayashi meet
for the vacant title on 02-Apr-1983, but no winner is decided. |
| 8 |
Defeated Fishman for the title. Vacated on 12-Aug-1983 when Tiger Mask retires. |
| 9 |
Wins a triangular match defeating Davey Boy Smith on 84/02/03 in Sappporo and The Cobra on 84/02/07; vacates in 84/11 when the British Bulldogs(Dynamite Kid & Davey Boy Smith) jump to All Japan; WWF takes over Georgia Championship Wrestling in 84/07, and Les Thornton, who has been then billed as NWA World Junior heavyweight champion in Georgia, wrestles as WWF champion in some WWF shows before title is forgotten. |
| 10 |
Defeated Black Tiger for the title. |
| 11 |
Abandoned on 31-Oct-1985 when New Japan and the WWF split their partnership. |