There's a lot of talk about players who are "untouchables" on teams, and as was brought up in a post earlier this week, Turris seems like he might be one of those players for 3 reasons going forward: his stellar 2 way play, his PPG point production, and his extremely reasonable contract for the next 4 years.
Now, the opinion I'm about to share is not going to be a very favoured one, I'm sure, but I think Cowen and Wiercioch are also untouchable players, despite their spotty play this year. (and no, Wiercioch is not simply going to be kept to keep Turris happy with their friendship and bromance)
Getting an offensive NHL defenseman for 2 million per year for the next 2 seasons is quite a bargain on it's own, and to be able to manage his free agency rights at the end of this contract means Wiercioch is a controllable asset for many years going forward as well (through trade, or re-signing)
Cowen is in a similar spot, on contract that pays him 3.1 million per year for the next 3 seasons as well. Especially as we are working under an internal cap, it's players like this that are going to save the team in the long run.
Yes, we're going through growing pains; yes, our defense has been extremely porous... but it's not only due to these two players. And for the long term success of the team, these are the players that are going to allow for core players like Bobby Ryan, Jason Spezza (core? debatable in the long run, I guess) and Marc Methot to be kept on the team for as long as possible.