Pittsburgh Penguins Sidney Crosby smiles during NHL practice, Friday, May 5, 2017, at the team's practice facility in Cranberry, Pa. It was Crosby's first time back on the ice since he suffered a concussion in Game 3 of Pittsburgh's playoff series against Washington. It's still uncertain whether he will be available for Game 5 on Saturday night in Washington. (AP Photo/Keith Srakocic)