Assistant general manager Mike Santos said he doesn't think Upshall will need surgery but it's possible; if he doesn't need surgery, Upshall is still likely out until late December.
Santos said Upshall got hit in an awkward spot against the Jets, his body folding back and pulling something in the process.
“It's an injury that takes time to heal,'' Santos said. “I think it's going to be a little while. [Dineen] said Christmas, and that's probably about right.''
With Upshall out, the Panthers may be getting Mikael Samuelsson back in the coming days.
Santos said Samuelsson was back in Vancouver getting Visa issues corrected but could join the team in St. Louis. Santos said he expects Samuelsson to practice with the team once he joins them and will play once he gets his legs under him.
Samuelsson came to the Panthers in the David Booth trade on Oct. 22 but hasn't played with the Panthers because of complications from a sports hernia surgery he underwent in May.
“I think physically he's OK, but he just hasn't played in any games,'' Santos said. “I don't have a real timetable, but we're close. I think it'll be this month.''
-- Matt Bradley left Tuesday's game with an undisclosed injury. If he can't go Thursday, the Panthers are in trouble. Not much left in the San Antonio well apparently.
-- The Panthers recalled center Tim Kennedy from AHL San Antonio on Tuesday as Jack Skille was out with an apparent groin injury suffered Sunday against the Flyers. Skille is with the team but didn't practice Tuesday. He did say his injury felt much better.
-- Goalie Scott Clemmensen made his first start of the season Tuesday. Clemmensen missed time thanks to knee surgery in preseason and good play by Jose Theodore the past week.