Pittsburgh Penguins' Sidney Crosby (87) and Philadelphia Flyers' Travis Sanheim (6) battle for the puck during the first period of an NHL hockey game, Monday, Feb. 11, 2019, in Philadelphia. (AP Photo/Matt Slocum)

Pittsburgh Penguins' Matt Murray (30) blocks a shot during the second period of an NHL hockey game against the Philadelphia Flyers, Monday, Feb. 11, 2019, in Philadelphia. (AP Photo/Matt Slocum)

Pittsburgh Penguins' Sidney Crosby (87) celebrates after scoring a goal against Philadelphia Flyers' Carter Hart (79) as Sean Couturier (14), Ivan Provorov (9) and Travis Sanheim (6) look on during the first period of an NHL hockey game, Monday, Feb. 11, 2019, in Philadelphia. (AP Photo/Matt Slocum)

Pittsburgh Penguins' Kris Letang (58) dives to keep the puck away from Philadelphia Flyers' Sean Couturier (14) during the second period of an NHL hockey game, Monday, Feb. 11, 2019, in Philadelphia. (AP Photo/Matt Slocum)