Oettinger will guard the home goal during Saturday's matchup with the Blues, Bruce LeVine of Dallas Stars Radio reports.
Oettinger played well in his season debut Tuesday against the Red Wings, turning aside 28 of 30 shots en route to a 5-2 victory. The 22-year-old backstop will try to secure his second win of the year in a home matchup with a St. Louis squad that's 5-2-1 on the road this season.