The Pittsburgh Steelers feel they were able to upgrade the speed of their defense significantly this year with the additions of Steven Nelson, Mark Barron, and Devin Bush. The influx of athleticism at the inside linebacker position in particular has the chance of making the biggest difference between this season’s unit and the group a year ago that blew leads in five games in the fourth quarter out of the team’s seven losses or ties.
But the group is also getting faster through maturation, with younger players such as Terrell Edmunds and T.