American Football 

In this clip we see how Vladamor is hit in his knee and as you can see it is serious, the patellar tendon snaps and a fracture is produced. Vladamor has been unlucky with injuries lately as he is a runner he recieves many hits in his legs to try to put him down. His legs are constalty under a lot of stress. If you are still in doubt what injuries are assosiated with American Football please consult the section where the top 5 injuries in such sport are listed.