The Denver Broncos are among eight teams in the start-up American Football League, playing in the Leagues Western Division. On September 9th the Broncos wearing vertically striped socks defeat the Patriots 13-10 in the first official AFL game in Boston.

After splitting their next two games, the Broncos made their Rocky Mountain debut. Playing before 18,732 at Bears Stadium, an old Minor League Baseball stadium the Broncos defeated the Oakland Raiders to improve their record to 3-1.

However, the Broncos would only win one more game the rest of the season finishing with the worst record in the AFL at 4-9-1.