I am a Pens fan so take that as you will, but my vote goes to Niskanen. The guy was virtually Pittsburgh's only defenseman to play well in last season's playoff series, and he's getting time on the top pairing with Letang since Martin and Orpik have been playing together this year.

Despres has seen time with Letang too, but Niskanen has looked much better IMO. He's also on the second PP unit.

Assuming you're using the categories in your signature, Niskanen's +/- should be miles better than Tyutin's simply because of their respective teams. SOG and PIM should be comparable, but Niskanen has the better overall upside if he sticks with Letang.

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10-Team One-Year $ League

2012 CHAMPION

H2H Categories: G, A, +/-, PIM, PPP, SOG -- W, GAA, SV, SV%, SO

C, C - Giroux, Krejci, Koivu, Brunner (RW)
LW, LW - Hartnell, Marleau (C), Vanek, Ennis (C), Lupul (RW)
RW, RW - Sharp (C), Pavelski (C), Voracek
D, D, D - Byfuglien, Streit, Ekman-Larsson, Goligoski, Green
Util, Util

G, G - Rask, Price, Bobrovsky, Dubnyk