In 2025, the Utah Mammoth made quite the splash in the offseason and traded for a potential superstar- JJ Peterka. Peterka was just 23 and was coming off a great season, and Utah felt as if they got a steal for the upcoming free agent- and Peterka wasn't going to sign with the Buffalo Sabres. However, Peterka failed to prove to be anything special in his first season in Utah and was traded relatively quickly. The reason why? Well there are many reasons:
Mammoth were disappointed massively
Firstly, the Mammoth traded away the now 24-year-old winger Josh Doan and defender Michael Kesselring for Peterka. At the time, they didn't give up a lot at all, as Kesselring was an unnecessary defender and Doan wasn't supposed to be as good as he was in the 2026-27 season. Doan scored 25 goals and added 27 assists for a total of 52 points. Doan is the same exact age as Peterka, but did a bit better than Peterka, not to mention he also isn't getting paid, or wasn't getting paid, $7.7. M AAV. Peterka was traded to Utah and immediately signed a 5-year, $7.7M AAV deal, a deal that wasn't too expensive for a player that the Mammoth thought could be a superstar.
However, in the 2026-27 season, Peterka managed only 25 goals and 22 assists for 47 points. This was horrible considering he scored 27 goals and added 41 assists for 68 points in his age-23 season with Sabres the year prior. Simply put, Utah has been hoping to get a 30+ goal scorer and a player who can rack up points as well. Peterka was still able to net 25 goals, but that fell short of what Utah hoped they could get from him. As for the assists? Only 22. That really fell short of what Utah was hoping to get from Peterka. Peterka still has some time to become a superstar, but this last season wasn't very good at all.
Utah wanted to free up salary for another reason
The whole reason Utah traded for Peterka was to kick-start their offense in the 2025-26 season. Interestingly, the Mammoth did actually manage to improve from 21st in goals per game to 12th. However, this wasn't because of Peterka; it was because of the team's balance, which helped the team a lot. The Mammoth simply didn't see the need for Peterka after this season and knew they could get a couple of first-rounders, which helped the team a lot. Utah actually used one first-round pick they got from the Boston Bruins in return for Peterka to trade for a much-needed goalie as well.
Even more importantly, perhaps, was that Boston took Peterka's contract. Peterka could easily be worth that money in the future, but for what he did this last season, 7.7 million is a lot of money that Utah could use. Freeing up that much in salary space allowed the Mammoth to make multiple moves, but also trade for a superstar. With, of course, that superstar being Vincent Trocheck. Later that day (July 1st), the Mammoth also signed FA Anders Lee, who adds experience, leadership, and even a lot of skill.
Ultimately, the team desired more veteran skill and talent and wanted to free up some salary space. The relationship between Peterka and Utah will always be a would've, could've, should've relationship. Peterka wasn't horrible, but he was expensive and didn't provide what Utah was looking for. He still can, but the Mammoth didn't want to take the chance.
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