if you look there, you see the two bones and how they are broken and in that case, the tibia is protruding through the skin. you bear a lot of weight on that part of your leg. if you have an awkward jump and landing the way he did, it can happen. it's a pretty unusual thing, but that's probably the best way to describe it. >> in terms of recovery, he will play basketball seriously again? >> i think so. i talked to a few people about this. this is an unusual injury so you can't say 10,000 people. one thing that is worth pointing out is the fracture that is pretty bad. a couple things that happened that were important. when the bone breaks through the skin, one of the biggest concerns is infection to the bone and also stripping away the blood supply to that bone.