From an economic standpoint, every player in the NFL is worth what someone is willing to pay him. That doesn't mean particular players' performances live up to what their respective teams are willing to pay them, however.
On the flip side, there are players who are worth more than their going rate. And oftentimes, underpaid players are never properly compensated for their underappreciated skill sets.
So with the start of training camp less than a month away, let's take a look at the NFL's most grossly overpaid and underpaid players heading into the 2014 season.
For the purposes of this discussion and due to the ramifications of the collective bargaining agreement, we will ignore the players who are currently playing on their rookie contracts. Obviously, Seattle Seahawks quarterback Russell Wilson is grossly underpaid at his position, but due to the collective bargaining agreement, he can't do anything about it.