The St. Louis Blues announced Monday they'd hired former NHL center Vaclav "Vinny" Prospal as an assistant coach under Jim Montgomery. Prospal most recently served on the coaching staff of the Rochester Americans, the Buffalo Sabres' AHL affiliate.
"Greg [Cronin], Vinny and Jeremy [Coupal] represent elite coaching talent coming to the St. Louis Blues," Montgomery said. "... Vinny brings a creative offensive mind honed by his success as a player on the power play and five-on-five, providing valuable expertise to our forward group and power play."
There were conversations after the Sabres' elimination from the 2026 NHL Playoffs about whether they'd make any coaching changes.
Seth Appert, who's struggled mightily to reinvigorate Buffalo's failing power play over the past two years, was viewed as the assistant most likely to land on the hot seat after the Blue and Gold ranked 20th with the man advantage during the 2025-26 campaign.
Meanwhile, Prospal had the Amerks' power play clicking on all cylinders this season, finishing fourth in the AHL at 23.3%. It felt like a perfect time for the Sabres to promote the 51-year-old Czechia native, who owns over 1,100 games of NHL experience, including 65 playoff appearances.
Buffalo head coach Lindy Ruff is typically loyal to his assistants, however, and he's (so far) opted against making any changes to his staff after the franchise finally ended a 14-year postseason drought.
So, Prospal decided to make the jump to the NHL with a different organization.
Vinny Prospal is on a fast track toward NHL coaching stardom after joining the St. Louis Blues
Prospal spent a few years as an assistant coach for the Czechia national team before getting his first head coaching opportunity with Motor Ceske Budejovice, the Czech club where he started his career all the way back in the early 1990s.
He quickly made an impact on Ceske Budejovice, leading the team to a Maxa Liga (the second tier of Czech hockey) championship in 2020, thus earning promotion to Czech Extraliga. The club has managed to stay at the top level since his departure in 2021.
Prospal joined the Rochester coaching staff in 2023 and he's made a world of difference helping Buffalo develop its offensive prospects. He's helped the likes of Jiri Kulich, Noah Ostlund, Konsta Helenius and Isak Rosen, who was traded to the Winnipeg Jets in March, emerge as NHL contributors.
His best work came with the Amerks' power play, which was able to generate consistent pressure this season despite a limited amount of talent due to injuries, Buffalo call-ups and trades. Helenius was forced to carry the offensive load himself for extended stretches.
Although those factors led to a dip in Rochester's overall performance, as the Americans barely held on to a playoff spot and were ousted in the first round, the Americans' play with the man advantage remained strong, thanks in large part to Prospal's tactics.
As a result, it's no surprise other teams were interested in giving the 2006 Olympic bronze medalist an NHL opportunity. It feels like the Sabres probably should have done everything in their power to keep him in their organization instead.
But Buffalo has decided to maintain the status quo with its staff, so Prospal is off to St. Louis for his first NHL coaching job, where it sounds like he'll have a similar offensively focused role.
It wouldn't be a surprise to see him become an NHL head coach within the next handful of years.
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