Even after the All-Star break, the Philadelphia 76ers are facing uncertainty when it comes to their superstar center, Joel Embiid. The lingering knee concerns h

Embiid played just 39 games last season due to a torn meniscus in his left knee. The 76ers announced in early February of that season that he had undergone surgery. Embiid came back in early April, was part of the 76ers’ playoff run and then won a gold medal with the U.S. Olympic team last summer.