Tyler Tucker has spent the last few seasons settling into a very specific job for the St. Louis Blues: be the heavy, physical presence on the bottom pair, clear the crease, and make life annoying for opponents around the net.
He did that role well in 2025-26, setting a career high with 69 games played and averaging 14:22 of ice time. At 25, he looked like the club’s main net-front clearing defenseman.
But that security is slipping. Tucker is in the final year of his contract before reaching unrestricted free agency, and there are multiple left-side defensemen lining up behind him.
The first challenge comes fast. New general manager Alexander Steen has made no secret of wanting real internal competition, and training camp should put Tucker under immediate pressure from Theo Lindstein. The 2023 first-round pick got a 17-game look with the Blues last season and made a strong case that he belongs, averaging 15:46 per game while finishing with a plus-six rating and four points.
Lindstein brings a different kind of game than Tucker. Tucker’s value is built on the physical side - he finished last season with 157 hits and 81 PIMs - and that edge has mattered on a blue line that hasn’t had much bite in recent years.
Lindstein is built around mobility and clean zone exits. If the Blues decide they want more puck movement than punishment on the third pair, Tucker could be the odd man out.
And Lindstein is not the only one pushing.
Arseni Koromyslov has now committed to coming over from the KHL, where he played 158 games over the past six seasons. The 2022 fourth-round pick gives St.
Louis another left-shot option with size, listed at 6-foot-5, and a game that overlaps with Tucker’s in a few key ways. He’s physical, stays home, and plays with a simple approach, but he also brings cleaner breakout ability than Tucker, who had 52 giveaways at 5v5 last season.
Koromyslov is expected to begin adapting to North America with the Springfield Thunderbirds in the AHL, but he adds another layer to the Blues’ depth chart. He gives the organization a cheaper option with upside if it wants Tucker’s exact role filled by someone younger and under team control longer.
That’s where the bigger picture starts to sharpen. St.
Louis has a lot of left-side defensemen in the pipeline, and that creates movement opportunities. If Lindstein wins an NHL job out of camp and Koromyslov adjusts quickly in Springfield, Tucker’s $925k expiring deal could become a trade asset instead of a long-term piece.
A cheap, physical left-shot defenseman is the kind of player teams look for during the season, especially when the postseason race heats up. A move in February could bring back future assets while clearing a lane for Koromyslov’s first NHL call-up.
Tucker has filled a useful blue-collar role for the Blues, but with puck-moving skill and a 6-foot-5 KHL veteran both waiting behind him, his time in St. Louis looks like it has an endpoint.
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For Dvorsky, the challenge in year two is becoming more complete without losing the instincts that got him here. The Blues want to see progress in his defensive game and in the areas that help a center survive against stronger competition, and that means his role is still very much a work in progress. If he keeps moving in the right direction, he could become a valuable piece for St. Louis well before the 2026-27 season, but the path from promising young scorer to dependable NHL center is rarely a straight line. [Read more 🡒]