St. Louis Blues goaltender Jordan Binnington, right, makes a save on a shot by Colorado Avalanche's Conor Timmins (22) as Blues' Niko Mikkola (77) defends during the second period in Game 4 of an NHL hockey Stanley Cup first-round playoff series Sunday, May 23, 2021, in St. Louis. (AP Photo/Jeff Roberson)

Colorado Avalanche's Mikko Rantanen (96) celebrates after scoring as St. Louis Blues' Colton Parayko (55) skates in the background during the third period in Game 4 of an NHL hockey Stanley Cup first-round playoff series Sunday, May 23, 2021, in St. Louis. (AP Photo/Jeff Roberson)

Members of the Colorado Avalanche and St. Louis Blues shake hands following Game 4 of an NHL hockey Stanley Cup first-round playoff series Sunday, May 23, 2021, in St. Louis. Colorado won the game 5-2 to take the series 4-0. (AP Photo/Jeff Roberson)

Colorado Avalanche's Mikko Rantanen (96) celebrates after scoring as St. Louis Blues' Ivan Barbashev (49) and Colton Parayko (55) skate past during the third period in Game 4 of an NHL hockey Stanley Cup first-round playoff series Sunday, May 23, 2021, in St. Louis. (AP Photo/Jeff Roberson)

Members of the Colorado Avalanche and St. Louis Blues shake hands following Game 4 of an NHL hockey Stanley Cup first-round playoff series Sunday, May 23, 2021, in St. Louis. Colorado won the game 5-2 to take the series 4-0. (AP Photo/Jeff Roberson)

A shot by Colorado Avalanche's Brandon Saad slips past St. Louis Blues goaltender Jordan Binnington (50) for a goal during the second period in Game 4 of an NHL hockey Stanley Cup first-round playoff series Sunday, May 23, 2021, in St. Louis. (AP Photo/Jeff Roberson)