--- title: "Peterka heads to Boston in blockbuster swap for two firsts" description: "Bruins add a 47-point winger while Mammoth land a top goalie prospect and future draft capital in a pair of NHL moves." url: https://sportopod.com/en-US/cluster/peterka-traded-to-bruins-by-mammoth-for-2-1st-round-picks-93894dbb published: 2026-06-29T21:57:47.451+00:00 updated: 2026-06-29T21:57:47.451+00:00 author: "Kostadin Stamboliev" publisher: "Pineido" site: "Sportopod" language: en topics: ["hockey"] --- # Peterka heads to Boston in blockbuster swap for two firsts > Bruins add a 47-point winger while Mammoth land a top goalie prospect and future draft capital in a pair of NHL moves. The Boston Bruins added scoring depth Wednesday by acquiring forward JJ Peterka from the Utah Mammoth in exchange for two first-round draft picks. Peterka, 24, has 47 points in 69 games this season and is under contract for four more campaigns. The Mammoth sent the 2023 All-Rookie Team selection to Boston after the Bruins absorbed the cap hit. Utah also bolstered its crease by landing goaltender Sebastian Cossa from Detroit in a separate transaction, addressing a clear organizational need. The Bruins’ move immediately upgrades their middle-six forward group, giving them another proven NHL scorer alongside Brad Marchand. Peterka’s two-way play and offensive instincts fit the Bruins’ system, while the two first-rounders—likely selections in 2025 and 2026—provide long-term flexibility. For Utah, the return is equally strategic: Cossa, 22, represents a high-upside goaltending prospect with NHL-ready size and athleticism. Peterka told reporters he’s “excited to join a team with this kind of culture and compete for a championship.” Mammoth general manager Bill Armstrong framed the deal as a step toward sustained competitiveness, saying the club is “building for both now and the future.” What’s next: The Bruins will integrate Peterka into their lineup for the playoff push, while Utah turns its attention to evaluating Cossa’s development timeline and finalizing its draft-board strategy for the upcoming entry selections. The trade underscores a broader NHL trend where teams are prioritizing playoff-ready scoring over raw developmental assets. Peterka’s arrival gives Boston a fourth-line center capable of sliding into the top six if needed, a luxury for a team chasing a Cup run. Meanwhile, Utah’s acquisition of Cossa signals a long-term bet on goaltending as the franchise’s cornerstone, a shift from their previous reliance on short-term stopgap solutions. For Peterka, the move represents a chance to shed a rebuilding label. Once viewed as a depth piece in Buffalo, his 47-point season in Utah proved he can thrive as a primary offensive contributor. The Bruins, who have leaned on veteran depth to mask roster weaknesses, now have a player who can generate offense in high-leverage situations, a critical upgrade for a team that finished last in the Atlantic in 2023–24. ## Why this matters The trade rebalances two franchises at different stages. Boston shores up scoring depth without surrendering core assets, while Utah addresses a goaltending deficit and secures premium draft capital. The moves reflect a market-wide trend: teams are leveraging mid-tier talent for high-ceiling futures, ensuring both clubs emerge with clearer paths to contention. Peterka’s playoff experience and contract status make him a low-risk, high-reward pickup for Boston, while Cossa’s development timeline aligns with Utah’s five-year rebuild plan. ## Frequently asked ### Who is JJ Peterka? JJ Peterka is a 24-year-old forward who has recorded 47 points in 69 games this season. He was selected 34th overall by Buffalo in 2020 and has developed into a reliable two-way scorer. ### How many draft picks did Boston give up? The Bruins sent two first-round picks to Utah in exchange for Peterka. The picks are slated for the 2025 and 2026 NHL Entry Drafts. ### Who did Utah get in return besides the picks? Utah acquired goaltender Sebastian Cossa from the Detroit Red Wings in a separate deal. Cossa, 22, is a former first-round pick with NHL-ready size and athleticism. ### How long is Peterka under contract? Peterka is under contract for four more seasons. His deal runs through the 2028–29 campaign, giving Boston long-term control of his rights. ### Why did the Bruins make this move? Boston needed scoring depth for a playoff push and landed a proven NHL forward without surrendering top prospects or roster spots. The move also keeps them competitive while managing cap constraints. ### What does this mean for Utah’s goaltending future? Utah addressed a clear weakness by acquiring Cossa, a top goaltending prospect with franchise-goalie potential. This move signals the Mammoth are prioritizing goaltending as a foundation for future success. ## Sources & Citations - [Peterka traded to Bruins by Mammoth for 2 1st-round picks - NHL.com](https://www.nhl.com/news/jj-peterka-traded-to-boston-bruins-by-utah-mammoth-for-two-first-round-picks) — NewsAPI.org (2026-06-27) --- Cite: Peterka heads to Boston in blockbuster swap for two firsts. Sportopod, 2026-06-29. https://sportopod.com/en-US/cluster/peterka-traded-to-bruins-by-mammoth-for-2-1st-round-picks-93894dbb