Radim Mrtka

Radim Mrtka, D | Seattle Thunderbirds (WHL) | Buffalo Sabres Prospect

Performance

Mrtka's recent WHL numbers are modest on the surface — 3 assists in his last 10 games with a minus-8 rating — but context matters here. His on-ice production in junior has taken a backseat to a more significant development: real NHL-adjacent exposure. Mrtka was part of Buffalo's Black Aces practice squad during the Sabres' playoff push and received a call-up from Rochester, giving him a taste of the professional environment well ahead of most players his age.

What People Are Saying

The buzz around Mrtka is legitimately building in organizational circles. **iSport.cz** reported that he made a strong impression at Buffalo's training camp, specifically drawing praise from head coach Lindy Ruff — a detail worth noting given Ruff's experience with developing blue-line talent. **McKeen's Hockey** slots him inside Buffalo's top 15 prospects, while **Sabre Noise** has him edging out fellow prospect Konsta Helenius in internal rankings, suggesting the organization views him as the stronger long-term asset of the two. The biggest concrete development came from **MSN**, which reported Mrtka signed an entry-level contract with the Sabres — a clear organizational commitment that removes any ambiguity about his standing in Buffalo's plans.

Outlook

The ELC signing is the defining data point right now: Buffalo has made a financial and developmental bet on Mrtka, and his draft stock as a 2025 selection reflects an organization that believes in his NHL ceiling. The minus-8 rating in WHL is worth monitoring, but it's secondary to how he performs in his next professional environment.

**Watch for:** How Mrtka is deployed in Rochester's AHL lineup once he transitions out of junior — his defensive zone usage will tell you a lot about where Buffalo actually sees his game.