The word "underrated" is overrated and overused almost as much as the word "overrated" is overrated and overused. I certainly overused the word "over" in that sentence, but you could be underestimating the impact accomplished by repetition.
My point—yes, I have one—is that it's tough to find the line that separates perceived underrated and overrated performers from everyone within the margins. This is subjective, but subjectivity breeds the best kinds of sports debates.
Here, along with supporting statistics and comparisons, is my subjective look at the NFL's 12 most underrated players.