PITTSBURGH — The Pittsburgh Penguins didn’t have their captain or their coach. Jarry stopped 36 shots and Letang returned from the COVID-19 protocol by stuffing a wraparound by Philadelphia’s Carter Hart 1:57 into overtime to lift the Penguins past the Flyers 3-2 on Thursday night. Playing for the first time since Oct. 19 following a bout with COVID-19, Letang’ scored …