I am a big AP fan. Our company made this 3D animation about and ACL surgery and it might be pretty interesting to check out how this is done. It uses a basketball example, but I am sure it would be the same for football. http://www.youtube.com/watch?v=Xsq0sQp6DwU
Hope he does well with his rehab. He is a beast when he is healthy and the Vikes will need him next year.