What to do with Michael Cammalleri?

While he hasn't been terrible, he has been invisible. I hate the thought of just dropping him outright, but I really need help on defense and even if I didn't I see LW on the wire that are having more productive seasons. Do I wait him out or do I go fill a need?

My team: (G, A, +/-, PIM, PPP, SOG, Hits, W, GAA, SV%, SO)

Joe Thornton
Mikko Koivu
Jonathan Toews

Evander Kane
Taylor Hall
Michael Cammalleri

Corey Perry
Ryan Callahan
Jordan Eberle
Alexandre Burrows

Mike Green
James Wisniewski
Lubomir Visnovsky
empty D spot

Ryan Miller
Jonathan Quick
Ray Emery

LWs of note on the wire:

Kunitz
Fillipula
Higgins
Landeskog
Prospal
Ruutu
Reimsdyk

Dmen of note on the wire:

Niskanen
Bogosian
Enstrom
Goligoski
Kaberle
Hamonic