Penguins general manager Ray Shero had a pretty good idea of what he could expect from Matt Cooke when he decided to pursue him as a free agent in the summer of 2008.

He knew that Cooke could forecheck like a wolverine with anger-management issues. That he was responsible in both ends of the rink. That he could deliver hits that occasionally register on seismographs on the far side of the planet.

And that Cooke spent a lot of time playing right on the line that separates rugged hockey from dirty hockey. And that he occasionally crossed it.

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