Gone are the days of rookies sitting on the bench and waiting two or three years for their opportunity to play. Given how much first rounders make and the fact that their contracts usually expire by the end of their third year, teams have no choice but to rush youngsters onto the field.
So when training camp opens up in July, expect a good portion of this year's incoming rookie class to contend for starting spots.
In fact most of the high-profile battles heading into training camp pit a 2012 rookie against a veteran. But not all of those battles feature rookies: Some include second- or third-year players fighting for a starting gig.
So which vets are in danger of losing their jobs this fall? Check out this list.