TORONTO — Doc Rivers acknowledged the 76ers are concerned about Joel Embiid’s right thumb. “But, you know, it is what it is,” the Sixers coach said before Saturday’s 110-102 Game 4 loss to the Toronto Raptors in an Eastern Conference first-rounder at Scotiabank Arena. The good thing for the Sixers is that Embiid’s thumb can’t get worse, according to Rivers. The bad thing is the MVP finalist must play in a lot of pain and discomfort. Embiid had an exam that suggests that he has ligament damage in his thumb. He’ll get an MRI on Sunday to confirm the injury. “We’ve got to see how bad it really is…
