Defenses now thinking safeties first

— -- Any expert or fan knows the NFL is a quarterback-driven league. What fewer realize is that it's also become a safety-significant league.

So as the first weekend of games kicks off, it's worth noting what has happened in recent years. Since 2000, 13 of 14 Super Bowl champions have fielded an elite safety who has been voted to at least two Pro Bowls. Look at the list: