In the NFL, games are frequently won and lost in the trenches. Because of this, a truly dominant defensive lineman can make a huge impact.
There are many good defensive linemen in the NFL, but only a few are true impact players capable of taking over a game.
The criteria for this list is simple. One, the player must actually be a defensive lineman—that means no DeMarcus Ware or Aldon Smith. Secondly, we'll analyze how much a player dominates (duh).
Some of these players are obvious choices, a few aren't.
However, they are all dominant.