Correct me if I am wrong here, but the lack of a pass rush is still killing this defense. Mario making a pro bowl is great and all, but he simply doesn't put pressure on the opposing team's offensive line like a pure pass rusher can do. I had high hopes for Barwin, but he's still learning the ropes. I realize the defense improved by leaps and bounds this year, but man that lack of a pass rush was a killer often times. I'd like some better corners and a run stuffing defensive tackle as much as anyone else, but I think a ferocious edge rusher would do more good than anything else for this team.