Until the 2011–12 season, they both played in the Mountain West Conference of the NCAA's Division I and have played each other 90 times since 1896 (continuously since 1922).
До сезона 2011—2012 года обе команды выступали в Mountain West Conference NCAA’s Division I и начиная с 1896 года встречались на поле 90 раз (постоянно с 1922 года).