Jacob Markstrom's Season Over, Has Knee Surgery

Looks like Markstrom needed knee surgery after all. From the Panthers:

Florida Panthers General Manager Dale Tallon announced today that G Jacob Markstrom has undergone successful knee surgery and will be out for the remainder of the season.

He will be closely monitored throughout the off-season and a complete recovery is expected. Markstrom is expected to be in training camp with the Florida Panthers in September.