CHICAGO -- Blackhawks forward Boris Katchouk will be sidelined for four to six weeks with a left ankle sprain, the team announced.
The 24-year-old Katchouk played almost 12 minutes during a 3-0 preseason loss to Detroit on Saturday night. He was acquired in a multiplayer trade with Tampa Bay in March.
The Blackhawks open the season on Oct. 12 at Colorado.
The team also said forward Jujhar Khaira is day to day with a right ankle injury.