I don't know what he meant about wide open parking. The area is pretty locked down for paid parking. Tickets bought in advance. Some parking in a cash lot way off from stadium I think.. LordSaint was talking about his group of 65 or so were to be in the red lot. below is the parking diagram and info from the Deadskins site
http://www.redskins.com/gen/articles/Parking_1620.jsp