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.

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,