Utah Mammoth: Breaking News, Rumors & Highlights

Mammoth sign Sebastian Cossa to two-year contract

The Utah Mammoth have Sebastian Cossa locked up, as they signed their newly-acquired goaltender to a two-year contract with a $2 million cap hit. Cossa was a restricted free agent after the conclusion of his three-year, entry-level contract with an $863,334 cap hit.

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Mammoth Signing Sebastian Cossa

Utah, get me two! Is probably what Sebastian Cossa said in contract negotiations with the Utah Mammoth, because those are the terms of the deal he’s signing with his new team.

Utah Mammoth News / The Hockey Writers / June 30

Ethan Belchetz Excited to Bring Grit and Offense to Mammoth

Ethan Belchetz was never supposed to be able to be drafted by the Utah Mammoth. Widely projected to be drafted within the top 10, it seemed like the Mammoth, with the 19th overall pick, wouldn’t even sniff the potential to draft the 18-year-old forward. However, the first round started, and Belchetz started slipping.

Barrett Hayton News / NHL on ClutchPoints / June 29

Mammoth’s Barrett Hayton files for arbitration

Over the years, there have been waves of players in the NHL who have elected to file for salary arbitration, and the first such case for this offseason has been made public.

Gavin Mckenna News / Yardbarker Quizzes

The 'First-overall NHL Draft picks' quiz

In the history of the NHL Draft, 64 players have been selected No. 1 overall. How many of the can you name in eight minutes?

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Nick DeSimone News / Pro Hockey Rumors / June 29

Mammoth Re-Sign Nick DeSimone

The Utah Mammoth have re-signed defenseman Nick DeSimone to a two-year, $1MM AAV contract extension. As part of the team’s official announcement of the signing, Utah GM Bill Armstrong said: Nick brings a veteran presence to our blue line and plays a very reliable game.

NHL News / Yardbarker

The 25 greatest rookie seasons in NHL history

There have been successful rookie seasons in NHL history, and there have been superior efforts worth celebrating time and time again. Here's our list of the 25 notable seasons from those with official rookie status, as deemed by the NHL, in reverse chronological order.

Nick DeSimone News / Daily Faceoff / June 29

Mammoth sign Nick DeSimone to two-year contract extension

The Utah Mammoth have agreed to terms with pending unrestricted free agent defenseman Nick DeSimone on a two-year contract extension, the club announced Monday evening.

Utah Mammoth News / NHL on ClutchPoints / June 29

Mammoth take pending UFA off the board with $3.5 million extension

The Utah Mammoth have already made multiple moves this offseason. The Mammoth traded away JJ Peterka, while also bringing in Joshua Roy and Sebastian Cossa via trades.

Joshua Roy News / Pro Hockey Rumors / June 29

Mammoth Acquire, Extend Joshua Roy

Earlier today, the Utah Mammoth announced that they had acquired forward Joshua Roy from the Montreal Canadiens for defenseman Maksymilian Szuber. A few hours later, the Mammoth announced that they had signed Roy to a one-year, two-way contract for the 2026-27 season at an $850K salary.

Kailer Yamamoto News / Daily Faceoff / June 29

Mammoth sign Kailer Yamamoto to two-year contract extension

The Utah Mammoth have signed pending unrestricted free agent forward Kailer Yamamoto to a two-year contract extension, the club announced Monday afternoon.

Kailer Yamamoto News / Pro Hockey Rumors / June 29

Mammoth Sign Kailer Yamamoto To Extension

According to a team announcement, the Utah Mammoth have signed Kailer Yamamoto to a two-year, $3.5MM ($1.75MM AAV) extension through the 2027-28 season.

Utah Mammoth News / Daily Faceoff / June 27

Mammoth select Adam Valentini No. 96 overall in 2026 NHL Draft

A rising star in the collegiate ranks has had his name called by an NHL team. On Saturday, the Utah Mammoth selected forward Adam Valentini, 18, with the No.

John-Jason Peterka News / NHL on ClutchPoints / June 27

JJ Peterka trade grades for Bruins, Mammoth

As trades and major moves went down in the days prior to the NHL Draft, it seemed the Boston Bruins were sitting on their hands and that general manager Don Sweeney was not going to accomplish anything.

Sebastian Cossa News / NHL Trade Talk / June 26

Utah Mammoth Acquire Sebastian Cossa From Red Wings

The Utah Mammoth have made a significant addition to their future in goal, acquiring highly touted netminder Sebastian Cossa from the Detroit Red Wings in exchange for the 23rd overall pick in the 2026 NHL Draft.

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Utah Mammoth News / The Hockey Writers / June 26

Mammoth Draft Ethan Belchetz 17th Overall

With the 17th pick in the 2026 NHL Entry Draft, the Utah Mammoth have selected Ethan Belchetz from the Windsor Spitfires of the Ontario Hockey League (OHL).

Utah Mammoth News / Daily Faceoff / June 26

Mammoth selects Ethan Belchetz No. 17 overall at the 2026 NHL Draft

The Utah Mammoth have selected left winger Ethan Belchetz with the No. 17 overall selection of the 2026 NHL Entry Draft. The pick originally belonged to the Los Angeles Kings, but the Mammoth traded up to take Belchetz.

NHL News / Pro Hockey Rumors / June 26

Mammoth Acquire #17 From Kings, Select Ethan Belchetz

The Utah Mammoth traded up two spots to select winger Ethan Belchetz with the 17th-overall pick in the 2026 NHL Draft. Utah sent picks #19 and #83 to the Los Angeles Kings to pull off the move.

John-Jason Peterka News / Field Level Media / June 26

Bruins acquire Mammoth F JJ Peterka for 2 first-rounders

The Boston Bruins boosted an already prolific offense by acquiring Mammoth forward JJ Peterka on Friday, sending their 2026 first-round pick (No. 23) in the NHL draft and a 2028 first-round selection to Utah.

John-Jason Peterka News / Pro Hockey Rumors / June 26

Bruins to acquire JJ Peterka: Instant analysis and reaction

Bruins to acquire JJ Peterka from Mammoth: Instant analysis and reaction

The Boston Bruins and Utah Mammoth are hoping to busy up their draft night early.

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John-Jason Peterka News / NHL Trade Talk / June 26

Bruins, Mammoth Working on Potential JJ Peterka Trade

Trade speculation continues to ramp up ahead of the 2026 NHL Draft, with another blockbuster potentially in the works. According to NHL insider Elliotte Friedman, the Boston Bruins and Utah Mammoth are actively discussing a trade involving forward JJ Peterka.

Utah Mammoth News / Pro Hockey Rumors / June 23

Free Agent Focus: Utah Mammoth

Free agency is now less than two weeks away, and teams are looking ahead to when it opens. Even with the UFA crop being thinned out in recent months, there will be some quality veterans set to hit the open market in July, while many teams also have key restricted free agents to re-sign.

Utah Mammoth News / ESPN / June 22

Mammoth staff add Tourigny, Forsythe, and Foote

The Utah Mammoth have signed coach André Tourigny and assistant Blaine Forsythe to new multiyear contracts.

Andre Tourigny News / Field Level Media / June 22

Mammoth sign coach Andre Tourigny to new contract

The Utah Mammoth signed head coach Andre Tourigny and assistant coach Blaine Forsythe to new multi-year contracts on Monday. The club also signed two-time Stanley Cup-winning defenseman Adam Foote to a multi-year contract to join Tourigny's staff as an assistant coach.

Julian Lutz News / The Hockey Writers / June 16