Penguins add Nikolai Knyzhov on professional tryout

Defender with ties to David Quinn will join Pittsburgh in training camp

Earlier this week, we wrote that it will probably be a slow time for the Penguins and professional tryouts this season, but left side defense was standing out as an organizational area of need. Today, news broke that Pittsburgh is bringing in a left handed defenseman on a PTO that will go a long way to filling that need, at least in training camp.

The Penguins...