Is Tangradi the Pens best bargaining chip?

With the NHL trade deadline just weeks away, there is only one thing you can be sure of –a lot of players will be wearing new uniforms.  The NHL trade deadline is always the most active of all the American sports because teams are always looking to add that extra presence to their roster or the upcoming playoff push.  Every year there are plenty of rumors and big names that get tossed around, and if there is one thing we have learned in recent years, it is that Penguins GM Ray Shero is not afraid to make a big time move to better his roster. But does he need to this year? Perhaps.  A lot of that depends on the teams health moving forward.  With a healthy Crosby, I can’t imagine that any moves are required.  The Penguins at full strength have plenty of skill and depth to make a deep playoff push.  It’s more of a matter of just piecing it all together at the right time.  But what if Crosby isn’t back, what then? A player that could fetch a solid return for a top six forward on a one or