Colorado Avalanche center Nathan MacKinnon is congratulated as he passes the team box after scoring his second goal of night, during the third period of Game 2 of an NHL hockey Stanley Cup first-round playoff series against the St. Louis Blues on Wednesday, May 19, 2021, in Denver. Colorado won 6-3. (AP Photo/David Zalubowski)

Colorado Avalanche goaltender Philipp Grubauer, left, is congratulated by center Nathan MacKinnon after Game 2 of the team's NHL hockey Stanley Cup first-round playoff series against the St. Louis Blues on Wednesday, May 19, 2021, in Denver. Colorado won 6-3. (AP Photo/David Zalubowski)

St. Louis Blues center Jordan Kyrou, right, looks to pass the puck as Colorado Avalanche right wing Joonas Donskoi defends during the first period of Game 2 of an NHL hockey Stanley Cup first-round playoff series Wednesday, May 19, 2021, in Denver. (AP Photo/David Zalubowski)

Colorado Avalanche goaltender Philipp Grubauer jokes with teammates during a timeout in the first period of Game 2 of an NHL hockey Stanley Cup first-round playoff series against the St. Louis Blues on Wednesday, May 19, 2021, in Denver. (AP Photo/David Zalubowski)

St. Louis Blues defenseman Colton Parayko jumps over Colorado Avalanche left wing Gabriel Landeskog to collect the puck during the first period of Game 2 of an NHL hockey Stanley Cup first-round playoff series Wednesday, May 19, 2021, in Denver. (AP Photo/David Zalubowski)

Colorado Avalanche right wing Joonas Donskoi waits for a faceoff against the St. Louis Blues during the second period of Game 2 of an NHL hockey Stanley Cup first-round playoff series Wednesday, May 19, 2021, in Denver. (AP Photo/David Zalubowski)

St. Louis Blues goaltender Jordan Binnington, back, watches Colorado Avalanche defenseman Cale Makar, who collects the puck during the second period of Game 2 of an NHL hockey Stanley Cup first-round playoff series Wednesday, May 19, 2021, in Denver. (AP Photo/David Zalubowski)

Colorado Avalanche goaltender Philipp Grubauer uses his stick to carry a cap tossed on the ice after center Nathan MacKinnon notched a hat trick against the St. Louis Blues in the third period of Game 2 of an NHL hockey Stanley Cup first-round playoff series Wednesday, May 19, 2021, in Denver. Colorado won 6-3 to take the first two games of the series. (AP Photo/David Zalubowski)

St. Louis Blues center Ryan O'Reilly, right, and Colorado Avalanche center Nathan MacKinnon pursue the puck the third period of Game 2 of an NHL hockey Stanley Cup first-round playoff series Wednesday, May 19, 2021, in Denver. Colorado won 6-3. (AP Photo/David Zalubowski)

St. Louis Blues center Brayden Schenn reacts after Colorado Avalanche center Nathan MacKinnon scored an empty-net goal during the third period of Game 2 of an NHL hockey Stanley Cup first-round playoff series Wednesday, May 19, 2021, in Denver. Colorado won 6-3. (AP Photo/David Zalubowski)