Sidney Crosby sat out the Pittsburgh Penguins' practice Sunday after departing a Saturday scrimmage early.

Here's how the team's lines looked without Crosby on the ice:

The superstar forward left in the second of two 25-minute periods during Saturday's intrasquad session and didn't return. Penguins head coach Mike Sullivan reminded reporters afterward that new league rules prohibit the club from commenting on injuries or illnesses.

Crosby ranked second on the team behind Evgeni Malkin with 1.15 points per game this season. The Pittsburgh captain produced 47 points in 41 contests and trailed only Jake Guentzel in average ice time among Penguins forwards.

Pittsburgh is scheduled to play an exhibition game against the Philadelphia Flyers on July 28 before facing the Montreal Canadiens in the play-in round beginning Aug. 1.

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