 However, his 2017–18 season with the Avalanche was riddled with injuries.Bernier suffered an upper body injury on October 25, 2017, in a game against the San Jose Sharks, and a head injury on February 16, 2018 which caused him to miss 10 games.Shortly after returning, he suffered a second head injury on March 10, 2018, in a game against the Arizona Coyotes, and in late March an infection kept him out for three games.