Every season there are four or five NFL free agents that no one pays attention to who go out there on the football field and perform better than some of the big-name individuals.
This is a testament to the scouting process of some teams and their ability to find a diamond in the rough, while other teams spend top dollar for players who end up fizzling out.
2012 promises to be no different.
You cannot discount the additions of solid trench players who sometimes go unnoticed in the grand scheme of things. You cannot discount backup quarterbacks or third-down running backs who play pivotal roles due to the rigors of a NFL season.
This article is going to focus on 20 under-the-radar free-agent signings that promise to make a huge impact for their new teams in 2012.