Penguins' Rutger McGroarty: Placed on injured reserve

McGroarty was designated for injured reserve with an undisclosed injury Wednesday.

According to Seth Rorabaugh of Tribune-Review Sports, McGroarty left Tuesday's practice after colliding with a teammate. The Penguins haven't provided an update regarding the nature or severity of the 21-year-old winger's injury, but he'll be sidelined for at least the next four games now.