| 1. | The original competing sides in the 1997 season were; Belmont Shore RFC, the Chicago Lions, the Dallas Harlequins, the Denver Barbarians, the Gentlemen of Aspen, the Kansas City Blues, Life, Old Blue, Old Puget Sound Beach RFC, Old Mission Beach Athletic Club RFC, the Potomac Athletic Club RFC, Old Blues Rugby Club (CA), Golden Gate Rugby Club and Washington RFC.
Les premières équipes à entrer en compétition lors de la saison 1997 sont : Belmont Shore RFC, Chicago Lions, Dallas Harlequins RFC, Denver Barbarians RFC, Gentlemen of Aspen RFC, Kansas City Blues, Life University, Old Blue RFC, Old Puget Sound Beach RFC, Old Mission Beach Athletic Club RFC, Potomac Athletic Club RFC, San Francisco Golden Gate RFC et Washington RFC. |
