Dealing with a Knee injury is not fun, but in this day and age, it doesn't have to be career-ending. In fact, there are some athletes who had amazing careers despite basically playing with no ACL.

"What do we need to do to keep you doing the activities you love?" That's the question Dr. Sterett answers, introducing the concept of Activity Preservation when it comes to your chosen treatment for a sports medicine injury.

The best testimonies to the improved surgery and rehab are the athletes who have succeeded on a high level post-operation. Here are a few athletes who have come back from catastrophic injuries to continue competing at a world-class level.