He is incredibly mobile when he chooses to be. In fact, his range is sideline to sideline and he is coming with an incredible load when he makes contact with a ball carrier. Or perhaps when he chases down a scrambling quarterback.
That versatility allowed him to play anywhere on the defensive line, and afforded the Huskies a defense stout against both the run and the pass.
And he is invariably immobile when he makes his stand at the line of scrimmage. That means the offense will have lots of trouble when they choose to run. And to no surprise, that is exactly the outcome of the 2017 season.