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Utah Mammoth trade for goalie prospect Sebastian Cossa from Red Wings

ESPN NHL • 1 min read • Latest: Jun 27, 2026, 2:26 AM

Last updated Jun 27, 2026

Utah Mammoth trade for goalie prospect Sebastian Cossa from Red Wings

Summary

The Utah Mammoth acquired goaltender Sebastian Cossa from the Detroit Red Wings in exchange for pick No. 23 during the NHL draft on June 26, 2026. Cossa, 23, has played one NHL game, winning against the Buffalo Sabres, and had a.915 save percentage with the AHL's Grand Rapids Griffins last season. With Vítek Vaněček set to become an unrestricted free agent, Cossa could serve as the backup to Karel Vejmelka next season. Cossa's development is bolstered by prior junior experience alongside Mammoth player Dylan Guenther.

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By the Numbers

•Cossa was the 15th overall pick in the 2021 NHL draft.
•The Mammoth traded for pick No. 23 by sending JJ Peterka to Boston.
•Cossa has one NHL game experience, with a win recorded.
•He played last season with the Grand Rapids Griffins in the AHL.
•Cossa previously played junior hockey with Mammoth's Dylan Guenther.

Latest Updates

3:51 AMESPN NHL — Detroit deals top goalie prospect Cossa to Utah
2:26 AMYahoo Sports — Utah Mammoth acquire top goalie prospect Sebastian Cossa for draft pick

What they're saying

"
The Red Wings traded one of their top prospects in goaltender Sebastian Cossa to the Mammoth on Friday for the 23rd pick of this year's draft.
— ESPN NHLby Ryan Clark