Lutz and Maksymilian Szuber, another German prospect in Utah’s system, are the only Mammoth players Peterka is familiar with.

J.J. Peterka was the headliner in the Utah Mammoth's blockbuster summer trade. Here is how he reacted to the move.

JJ Peterka signed a five-year deal with the Utah Mammoth and expressed excitement about joining their promising young core.

The Toronto Maple Leafs tried to trade for JJ Peterka but it came up short and insider Frank Seravalli revealed the trade ...

JJ (John-Jason) Peterka is a 23-year-old forward from Munich, Germany. The left-handed shot stands at 6-foot and is 189 ...

The Sabres traded forward J.J. Peterka to the Mammoth early Thursday morning in exchange for defenseman Michael Kesselring ...

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

The Utah Mammoth and Buffalo Sabres have been graded on the JJ Peterka trade they completed on Wednesday night.

JJ Peterka is officially on the move. In a late-night trade confirmed by NHL insider Frank Seravalli, the Buffalo Sabres have ...

The Buffalo Sabres have dealt one of the NHL’s top trade targets in a blockbuster deal with the Utah Mammoth less than a week ...

The Sabres are trading forward JJ Peterka to the Utah Mammoth for Josh Doan and Michael Kesselring. Peterka, a restricted ...