David Pastrnak recorded his 11th career hat trick to punctuate the highly anticipated return of goaltender Tuukka Rask as the Boston Bruins held off the visiting Philadelphia Flyers 3–2 on Thursday night. Rask made 25 saves in his first game since Game 6 of the Bruins’ second-round playoff series against the New York Islanders on June 9, 2021. The 34-year-old goaltender underwent offseason hip surgery and signed a one-year, $1 million deal to rejoin the Bruins on Tuesday. Boston earned its season-high fourth straight victory and improved to 7–1–0 since resuming play after the league-wide pandemic schedule pause. Cam Atkinson scored his team-leading 15th goal and Joel Farabee netted his 11th for the Flyers. Carter Hart stopped 33 of 36 shots for Philadelphia, which took its sixth consecutive defeat (0–4–2). Rangers 3, Sharks 0 Goaltender Igor Shesterkin returned from COVID-19 protocol to make 37 saves as New York defeated host …