Sports Authority Field at Mile High. The team that introduced America to quarterback John Elway—the National Football League's Denver Broncos—plays September through December at Sports Authority Field at Mile High. Every game has sold out for more than 30 years, so tickets are not easy to come by. 1701 Bryant St., Exit 210B off I–25, Sun Valley, Denver, CO, 80204. 720/258–3000. www.denverbroncos.com.