What is the definition of an “interior defender”? It’s something Pro Football Focus has been using as a positional designation over the last couple years, as the lines between defensive tackles and defensive ends have blurred severely. More and more in the NFL, there are interior guys working multiple gaps, playing everywhere from nose tackle to three-tech to end — sometimes, all three positions in the same drive.
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With that, the requirements to play these positions at a high level have changed.