Better-than-expected QB situations

Tommy Rees will take over the starting quarterback role this season at Notre Dame. Jonathan Daniel/Getty Images

As we near the opening of the 2013 season, every team still has important personnel questions that likely won't be answered until at least a couple of games have been played.

The most popular of these questions, of course, are the ones regarding quarterback play. But for the following four teams, perceived concerns have been overblown. We'll use Total QBR (ESPN's new quarterback rating that considers every aspect of QB performance and adjusts for the quality of opposing defenses) to explain why each will get better-than-expected quarterback play in 2013.

Here are the four teams, with a key question that needs to be answered for each.

Notre Dame Fighting Irish

Question: Can Tommy Rees in 2013 be better than Everett Golson in 2012?