Over the Top! Over the Top! Over the Top!
You wouldn't be thinkin' of an exercise in defenestration, would you?
Escape would be challenging. Even with a prepositioned rope already tied off on the roof, a rappel would take too long a time, and would attract too much attention, including from law enforcement. You'd better find someone with access to a helicopter; I suppose there's room up there for a few fleeing passengers to climb aboard during a touch-&-go (i.e., not quite a landing). If you delayed action until an away game, you wouldn't need to worry about incidental damage to the stadium.