A big part of the formula for the Steelers defense to take a dramatic step forward, especially against the run, is Devin Bush having a bounce back year.
And by all indications, he was having a great offseason to work his way back to form and prove last season was more about him not being fully recovered from knee surgery than anything else. There were videos of him working out, teammates talking about how he looks like he is back and coaches praising his work ethic and focus.
It all added up to the best sports cliches available: “He is in the best shape of his career” followed by “He is ready to take that next step as a player!”