Kostin was demoted to AHL Springfield on Monday.

Kostin's time in the minors may be short-lived once Oskar Sundqvist (knee) is officially designated for injured reserve. The 22-year-old Kostin has logged a mere six games for the Blues over the last two seasons. In those outings, the Russian tallied one goal on five shots, one assist and 15 hits. If Kostin is brought back up to the NHL, he may have to settle for a spot in the press box as a healthy scratch.

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