Annunen will guard the road net against the Blues on Tuesday, per Lou Korac of NHL.com.
Annunen allowed two goals on 27 shots in his last start Tuesday in a 6-2 win over the Flames. The 24-year-old has been excellent in the seven games he's played with the big club, recording a .929 save percentage and a 4-2-1 record. He will have a tough test on the road against the Blues, who are 21-11-1 at home this season.