"The Penguins naturally aren’t giving away any injury specifics but it’s fair to surmise Karlsson endured some kind of a setback during the past week," Yohe wrote on Monday. "Karlsson has missed all of training camp with an upper-body injury.

Pittsburgh Penguins’ defenseman Erik Karlsson remained off the ice on Monday due to an undisclosed injury that has prevented him from participating in any of the team’s practices during its ongoing training camp.

There is a fairly high degree of intensity in the Pittsburgh Penguins training camp this season. Head coach Mike Sullivan and the Penguins failed to make the playoffs in each of the last two seasons and they have not made it past the first round of the playoffs since the 2017-18 season.

Questions have emerged regarding the status of top defenseman Erik Karlsson, who has been labeled as day-to-day with an upper-body injury since the onset of training camp. In the earlygoing, he was skating on his own before camp ensued, but over the last three practice days, he did not take the ice beforehand.

Pittsburgh Penguins star defenseman Erik Karlsson, the franchise's biggest offseason acquisition from a year ago, has yet to take the ice during training camp due to an upper-body injury with no positive updates in sight.