When Tyrann Mathieu tore his ACL last December, the Cardinals lost their heart and soul, not to mention a true candidate for Defensive Player of the Year. Mathieu rehabbed with his trademark intensity, and now he's "ready to roll" for Week 1, according to Arians, who also added that he expects his Swiss Army Knife "to be out there full speed." Yes! Mathieu's poised to regain his status as one of the most impactful defensive players in the league, a true playmaker who just has a knack for being around the football. Keim knows Mathieu's immense value, as evidenced by the megabucks extension he just handed the safety. $40 million in guarantees for a guy who just suffered his second major knee injury? Tells you how big a game changer Mathieu is when he's on the field.