As an extension of the series, Panthers Blueprint offers rare behind-the-scenes footage and a detailed look at the way they began building this year’s defense from front to back in free agency.

With an emphasis on strengthening the line — the same way they did with the offense last year — the Panthers worked to add help for the returning Derrick Brown

And by finding a pair of linemen with Super Bowl rings in Tershawn Wharton and Bobby Brown III to work alongside their Pro Bowler, they hope to set a new tone up front. Coupled with safety Tre’von Moehrig‘s ability to help the run defense, the steps they took were significant.

And you can see how they happened here.