The Panthers could be without their entire top line Saturday against Philadelphia, a pivotal home game for a team that has lost three consecutive games since a season-opening win and is struggling to score.

The latest injury is to Tomas Fleischmann, who suffered a laceration on the top of his foot during Thursday's 3-1 loss to Ottawa. It required stitches, Coach Kevin Dineen said Friday. He suspected Fleischmann, who showed reporters his blood-soaked sock in the locker room after the game, had been stepped on.

Neither Fleischmann nor injured linemates Stephen Weiss (unspecified lower body) and Kris Versteeg (groin) were on the ice for Friday's practice at the Saveology.com Iceplex — the team's first full practice since the season started.

"All those players right now are question marks for [Saturday]," Dineen said. "We're cautiously optimistic that they're going to be short-term injuries."

Versteeg has sat out all four games. Weiss missed his first game Thursday. The trio combined for 70 goals and 172 points last season. The Panthers continue to be without two other forwards from their second line: Marcel Goc (ankle) and Sean Bergenheim (groin).