The sports footage you won't see on TV this Thanksgiving 15 years ago
Checkout the mgoblog picture pages: http://mgoblog.com/category/tags/picture-pages
The picture pages are college football, not pro, but it is the closest I've seen to what you're asking for. Each post describes the details of a given play, and visually shows you each step. Then, you can watch a video of the play in real time at the end.