To begin his season with Frölunda, Grundström has been playing in the Champions Hockey League. The first round of play there is over, and Frölunda, in the middle of their training camp, played as well as they needed to to win through to the next round. The first game of that round of 32 goes in the first week of October.
Grundström finished the opening round with a goal and an assist in four games. The last game of the first round marked the last appearance by Artturi Lehkonen for the team. He is off to training camp with the Montréal Canadiens, and it appears that Grundström will be slotted in to his old third line winger spot.