National Boxing Association (NBA), was founded in Rhode Island by 13 U.S. commissions as a result of the ecumenical boom reached by the sport. The NBA changed its name in 1962 to the World Boxing Association (WBA), which is now presided by Gilberto Jesús Mendoza.
| No. | FIGHTER | DATE |
| 1 | MICKEY WALKER | 1924-06-02 |
| 2 | JACKIE FIELDS | 1929-03-25 |
| 3 | TOMMY FREEMAN | 1930-09-05 |
| 4 | LOU BROUILLARD | 1931-10-23 |
| 5 | SUGAR RAY ROBINSON | 1946-12-20 |
| 6 | JOHNNY BRATTON | 1951-03-14 |
| 7 | KID GAVILAN | 1951-05-18 |