Edmonton Oilers goalie Mikko Koskinen (19) makes a save against Chicago Blackhawks' Dominik Kubalik (8) during third-period NHL hockey Stanley Cup playoff game action in Edmonton, Alberta, Saturday, Aug. 1, 2020. (Jason Franson/The Canadian Press via AP)

Edmonton Oilers scramble in front of the Chicago Blackhawks net during the third period of an NHL hockey playoff game in Edmonton, Alberta, Saturday, Aug. 1, 2020. (Jason Franson/The Canadian Press via AP)

Chicago Blackhawks goalie Corey Crawford (50) makes a save against the Edmonton Oilers during the third period of an NHL hockey playoff game in Edmonton, Alberta, Saturday, Aug. 1, 2020. (Jason Franson/The Canadian Press via AP)

Edmonton Oilers goalie Mike Smith (41) gives up a goal as Adam Larsson (6) and Chicago Blackhawks' Dominik Kubalik (8) look for the puck during the second period of an NHL hockey playoff game in Edmonton, Alberta, Saturday, Aug. 1, 2020. (Jason Franson/The Canadian Press via AP)