Right there in your NYR/CAR review, that is why Buffalos needs a very competent PP setup. The season this year was a fail, mainly due to such a poor PP. Cozens, Tage, slow starts and no shows didn't help but it didn't kill their season. The lack of special teams did.
Not sure who I would trade for, but if there was ever a year I think Buffalo should seriously consider trading a first round pick, this is it. Buffalo already has a ton of good prospects in their system and need immediate help in Buffalo.