Some young athletes just seem to have it all, but this doesn't always mean they become sports stars. In fact, there are quite a few who don't make it at all.
The reasons these athletes don't reach their full potential vary. Some are plagued with injuries, others by adverse life circumstances, and others can’t keep up with the demands of professional sports. Whatever the reason, many sports phenoms didn't reach the heights expected of them.
In this gallery, you'll get to know some of the most famous ones. Click on.