San Diego Chargers Qualcomm Stadium San Diego, CA Capacity: 71,294 Opened: August 20, 1967  Cost: $27 Million http://www.chargers.com

Denver Broncos Sports Authority Field Denver, CO  Capacity: 76,125 Opened: September 10, 2001 Cost: $364 Million http://www.denverbroncos.com

Oakland Raiders O.co Coliseum Oakland, CA Capacity: 63,026 Opened: September 18, 1966 Cost: $25 Million, $200 Million (renovations) http://www.raiders.com

Kansas City Chiefs Arrowhead Stadium Kansas City, MO  Capacity: 76,000 Opened: August 12, 1972 Cost: $43 Million http://www.kcchiefs.com