Whose spot is Jagr taking on the right side? Nash? Nope. Callahan? If Gaborik can't bump Cally out Torts' favor for a top-six spot, Jagr sure as hell isn't going to do it. Where does he play on the PP? Nash has his spot on the #1 unit, and even if you give him that spot on the #2, you're essentially cutting his PP time in half, and nearly 1/2 of his current points have come on the PP.
Adding Jagr to this team is just another move that doesn't address the real problem. Adding scoring is great, but adding scoring that doesn't fit the team is a waste of assets.