Penguins over the Flyers in game 4

Pittsburgh Penguins’ Matt Murray makes save on Flyers Nolan Patrick in the third period of game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Sidney Crosby drives against the Flyers in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Pittsburgh Penguins’ Matt Murray makes save on Flyers Wayne Simmonds in the third period of game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)

Pittsburgh Penguins’ Evgeni Malkin celebrates his goal in the first period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Pittsburgh Penguins’ Matt Murray makes save on Flyers Claude Giroux in the first period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Pittsburgh Penguins’ Sidney Crosby crashes into the net against the Flyers in the first period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Pittsburgh Penguins’ Sidney Crosby scores in the second period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Pittsburgh Penguins’ Sidney Crosby scores in the second period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Flyers Michal Neuvirth replaces Brian Elliott after Penguins Sidney Crosby scores in the second period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Pittsburgh Penguins’ Sidney Crosby scores in the second period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)
Pittsburgh Penguins’ Phil Kessel gets tied up in in front of Flyers goalie Michal Neuvirth in the third period in game 4 of the first-round playoff series against the Philadelphia Flyers, Wednesday, April 18, 2018 at the Wells Fargo Center in Philadelphia. (Peter Diana/Post-Gazette)