The Utah Mammoth didn’t wait long to move on from JJ Peterka, and the reasons were pretty clear once his first season in Utah played out.
Back in 2025, Utah made a bold offseason swing to land the 23-year-old winger, betting on a player coming off a strong year and expecting him to be part of the next wave. The Mammoth believed they had found a steal, especially with Peterka set to hit free agency and not expected to sign with the Buffalo Sabres. They sent Josh Doan and defender Michael Kesselring to Buffalo, then locked Peterka into a five-year deal worth $7.7 million annually.
At the time, that price felt manageable for a player Utah thought could grow into something bigger. But Peterka’s first season with the Mammoth never really matched the hype.
In 2026-27, he finished with 25 goals and 22 assists for 47 points. That was a step down from the 27 goals and 41 assists for 68 points he posted in his age-23 season with the Sabres, and it fell short of what Utah was chasing.
The Mammoth wanted a true difference-maker, ideally a 30-goal scorer who could pile up points. Peterka gave them goals, but not enough of them, and the playmaking production was even further off the mark.
What made the deal easier to walk away from was what Utah got from the rest of the roster. The Mammoth’s offense did improve in 2025-26, climbing from 21st in goals per game to 12th, but that jump came from balance rather than Peterka carrying the load.
Once Utah saw that, the urgency to keep him faded. The team also knew it could bring back a pair of first-round picks, and one of those picks from the Boston Bruins was later used to help land a much-needed goalie.
There was another layer to it, too: Boston absorbed Peterka’s contract. That mattered.
A $7.7 million cap hit is a lot to carry for a player who didn’t deliver what Utah wanted last season, even if there’s still upside there. Moving that money opened the door for other business, including a trade for Vincent Trocheck.
Later on July 1st, the Mammoth also signed Anders Lee, adding experience, leadership, and skill.
In the end, Utah chose veteran talent and flexibility over waiting for Peterka to hit another gear. He wasn’t a bust, but he also wasn’t the answer they were hoping for. And once the Mammoth found better ways to use the money and the assets, the breakup came fast.
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