Uncommitted QBs take center stage at The Opening

After decommitting from USC, QB Matt Corral has become one of the summer's most-watched recruits. Tom Hauck for Student Sports

Nike's The Opening is taking place through Monday in Beaverton, Oregon, and puts the top 160 high school football prospects against each other in training and competition. The annual event is star-studded once again with plenty to keep an eye on.

Here is a look at what to watch for: