The Utah Mammoth pulled off a blockbuster trade Wednesday night, acquiring JJ Peterka from the Buffalo Sabres.

Utah acquired forward J.J. Peterka from the Buffalo Sabres in exchange for defenseman Michael Kesselring and forward Josh Doan. Peterka, who would’ve been a restricted free agent, agreed to a five-year, $38.5 million contract extension ($7.7 million average annual value) with the Mammoth as part of the trade.

The Buffalo Sabres traded forward J.J. Peterka to the Utah Mammoth, the teams announced. The Mammoth and Sabres announced the swap Wednesday night. The Mammoth sent winger Josh Doan and defenseman Michael Kesselring to the Sabres in the deal.