Sports injuries are never a good thing, but in some instances they're truly horrifying. The following professional sports injuries are among the most shocking and gruesome to have ever occurred. The results of these injuries range from an ended season, early retirement, and even death. They illustrate why you need to be careful whenever you participate in a sport. Basketball Player's Leg Break Ends Season During a U.S. National team scrimmage, Paul George of the Indiana Pacers tried to stop a James Harden lay-up by leaping into the air.

If you have been experiencing chronic knee pain or pain that seems different from what you have felt before, it might be time to see a doctor. Many people experience discomfort in their knees or legs, and simply ignore it or take over-the-counter pain medication. While this may be all you need to experience relief, there are some situations that call for a medical professional. Here are some different scenarios that require help from a doctor.