Philadelphia Flyers' Matt Niskanen, left, checks Calgary Flames' Andrew Mangiapane during the first period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)

Philadelphia Flyers' Oskar Lindblom, right, has his shot deflected by Calgary Flames goalie David Rittich during the second period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)

Philadelphia Flyers goalie Brian Elliott, right, reacts to a goal as Calgary Flames' Milan Lucic, centre, celebrates and Scott Laughton skates away during the second period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)

Philadelphia Flyers' Ivan Provorov, front, steals the puck from Calgary Flames' Mikael Backlund during the second period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)

Philadelphia Flyers' Travis Konecny, left, and Calgary Flames' Elias Lindholm shove each other during the second period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)

Philadelphia Flyers' Robert Hagg, left, checks Calgary Flames' Austin Czarnik during the first period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)

Philadelphia Flyers' Ivan Provorov, left, is checked by Calgary Flames' Sam Bennett during the first period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)

Philadelphia Flyers' Matt Niskanen, right, checks Calgary Flames' Andrew Mangiapane during the first period of an NHL hockey game Tuesday, Oct. 15, 2019, in Calgary, Alberta. (Jeff McIntosh/The Canadian Press via AP)