Nicklas Grossmann to miss Game 5
Grossman suffered the injury in the second period of a 10-3 loss in Game 4 on Wednesday and could be out indefinitely.
He did not travel with the team to Pittsburgh.
The Penguins will be without defenseman Paul Martin, who will miss his second straight game with an undisclosed injury.
Copyright 2012 by The Associated Press
MORE NHL HEADLINES
- Cooke suspended 7 games for hit on Barrie
- Ducks' Getzlaf scratched for Game 4 vs. Stars
- Wings' Zetterberg practices, iffy for Game 4
- Blues' Morrow out for series vs. Blackhawks