Denver Broncos Merchandise CentreThe Denver Broncos play in the Sports Authority field at mile High, Denver, Colorado. The Broncos currently play in the Western Division of the AFC. Starting the first season in the AFL (American Football League) in 1960. The Denver Bronco's have grown to be one of the most successful teams in the NFL after a very slow start for the first 17 years of the team. Nicknames for the broncos have been Orange Crush this was due to playing a 3-4 defense in the late 70's, early 80's which proved to be highly successful.