| Final Rank: | 1 | Midterm Rank: | 1 |
| Position: | Left Wing | Shoots: | Left |
| Height: | 6' 2" | Weight: | 207 |
| Born: | May 5, 1999 | Hometown: | Penza, Russia |
| Born in: | Penza, RUS | ||
| Drafted: | 2017: STL (1st Round / 31st Overall) | ||
NHL Director of European Scouting Goran Stubb:
Kostin is a big, strong, mobile power forward who plays a physical game. He is a strong skater with good speed, very good hockey sense and is an excellent competitor.