If you are a Philadelphia sports fan, there is no doubt you saw the gruesome video clip of Leonard Weaver’s injury during last Sunday’s game. In case you missed it, you can watch it below. (Word of warning to the squeamish: watching a knee bend the opposite way is not easy on the stomach!)

Although the official medical report on his injury has not been released, it doesn’t take a trained health professional to know it was severe and that the ACL was involved. READ MORE