Edmonton Oilers’ Pontus Aberg, left, and Calgary Flames’ Kerby Rychel tangle during preseason NHL hockey action in Calgary on Monday, Sept. 17, 2018.
Evan Polei of the Edmonton Oilers, left, and Calgary Flames Scott Sabourin fight during NHL pre-season hockey at the Scotiabank Saddledome in Calgary on Monday, Sept. 17, 2018.
Edmonton Oilers goalie Mikko Koskinen and teammate Logan Day sandwich Calgary Flames’ Andrew Mangiapane during preseason NHL hockey action in Calgary on Monday, Sept. 17, 2018.
Calgary Flames goaltender David Rittich gives up a goal to Evan Bouchard of the Edmonton Oilers during NHL pre-season hockey at the Scotiabank Saddledome in Calgary on Monday, Sept. 17, 2018.
Edmonton Oilers’ Kailer Yamamoto scores on Calgary Flames’ goalie David Rittich during first period preseason NHL hockey action in Calgary, Monday, Sept. 17, 2018.
Edmonton Oilers assistant coach Glen Gulutzan, former head coach of the Calgary Flames, looks to the scoreboard during first period preseason NHL hockey action in Calgary on Monday, Sept. 17, 2018.
Edmonton Oilers’ Evan Bouchard scores on Calgary Flames goalie David Rittich during first period preseason NHL hockey action in Calgary on Monday, Sept. 17, 2018.
Edmonton Oilers’ goalie Mikko Koskinen reacts as Calgary Flames’ Buddy Robinson celebrates a goal during first period preseason NHL hockey action in Calgary on Monday, Sept. 17, 2018.