Via Pierre LeBrun:
No hearing for Cooke, no Supplemental Discipline. Shanahan spoke with both GMs.— Pierre LeBrun (@Real_ESPNLeBrun) February 14, 2013
It was a terrible, unfortunate play and a bad injury, but the NHL made the right call here.
A laceration to the Achilles sounds awful and it sucks for Erik Karlsson.
Of course, some Senators fans still think Cooke did it on purpose. Check out the top comments on the CBC story about the injury:
Click for larger.