Dallas Stars' Jason Robertson, right, celebrates his game winning goal with John Klingberg during the overtime period of an NHL hockey game against the Chicago Blackhawks Monday, May 10, 2021, in Chicago. (AP Photo/Charles Rex Arbogast)

Tampa Bay Lightning defenseman Erik Cernak (81) and Dallas Stars left wing Jamie Benn (14) are separated during the third period of an NHL hockey game Friday, May 7, 2021, in Tampa, Fla. (AP Photo/Jason Behnken)

Dallas Stars goaltender Anton Khudobin gives up a goal to Chicago Blackhawks left wing Alex DeBrincat during the first period of an NHL hockey game in Chicago, Sunday, May 9, 2021. (AP Photo/Nam Y. Huh)

Dallas Stars goaltender Jake Oettinger, right, keeps Chicago Blackhawks' Patrick Kane from getting a shot off during the second period of an NHL hockey game Monday, May 10, 2021, in Chicago. (AP Photo/Charles Rex Arbogast)

Dallas Stars coach Rick Bowness looks up the scoreboard during the third period of the team's NHL hockey game against the Chicago Blackhawks in Chicago, Sunday, May 9, 2021. The Blackhawks won 4-2. (AP Photo/Nam Y. Huh)

Tampa Bay Lightning goaltender Andrei Vasilevskiy (88) makes a save on a shot by Dallas Stars center Tyler Seguin (91) during the third period of an NHL hockey game Wednesday, May 5, 2021, in Tampa, Fla. (AP Photo/Chris O'Meara)