Apparently, Ron Jaworski has a new book out called: "Games that changed the game"
ESPN published a sample chapter, and the one they chose was talking about how Dick LeBeau changed the game of football with the zone blitz. Aside from the fact that Dick LeBeau looks even younger in this picture (and I didn't think that was possible!):
It is a really good read. A little football wonky, but I liked it... Here is the link: