Coach Mike Sullivan said Murray had been dealing with the injury “for a couple weeks.” Team doctors decided rest was the best course of action for the 24-year-old Murray, who helped the Penguins to consecutive Stanley Cups in 2016 and 2017 but has struggled this season.
Murray is 4-5-1 with a 4.08 goals-against average and .877 save percentage in 11 games. He has spent most of the past six weeks splitting playing time with Casey DeSmith.
Pittsburgh recalled Tristan Jarry from Wilkes-Barre/Scranton of the American Hockey League to serve as the primary backup behind DeSmith. The Penguins play in Boston on Friday night.