Utah Mammoth just traded for this top forward, reports say (Salt Lake Tribune)
Utah Mammoth acquire JJ Peterka in major trade (Salt Lake City Deseret News)
Utah Mammoth Trade Josh Doan & Michael Kesselring For Buffalo’s JJ Peterka (KSL-FM)
Mammoth acquire J.J. Peterka in big trade with Buffalo (KVTX-TV)
Utah Mammoth trade for Buffalo forward JJ Peterka, who signs 5-year extension (KSL-TV)
Utah Acquires J.J. Peterka in Exchange for Doan and Kesselring (UtahHockeyClub.com)