Cowen underwent surgery on Nov. 17 to repair a torn labrum in his left hip, which sidelined him until his return to action on April 16. He played seven regular-season NHL games in 2012-13, scoring one goal and registering 10 penalty minutes. Cowen also played in each of Ottawa’s 10 playoff games against the Montreal Canadiens and Pittsburgh Penguins, recording three assists and 21 penalty minutes.
