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JJ Peterka News
The Mammoth have signed JJ Peterka to a five-year contract extension worth $38.5M ($7.7M AAV).

Minutes after being acquired by Utah, JJ Peterka was announced to a 5-year extension worth $7.7M AAV ($38.5M total). The 23-year-old right-winger has made consistent 18-point jumps in each of his first three NHL seasons, finishing 2024-25 with 27 goals, 68 points and 173 SOG in 77 GP after 50 points in 82 games the year before. He is expected to take a top-six role in Utah in the upcoming season.

JJ Peterka
The Mammoth have acquired JJ Peterka from the Sabres for Josh Doan and Michael Kesselring.

With rumours circulating all week that Buffalo was looking to move a few key players, Utah swooped in late Thursday by acquiring the rights to JJ Peterka for forward Josh Doan and defenseman Michael Kesselring. Minutes after the trade, Utah announced they had signed Peterka to a 5-year extension worth $7.7M AAV ($38.5M total). The 23-year-old right-winger has made consistent 18-point jumps in each of his first three NHL seasons, finishing 2024-25 with 27 goals, 68 points and 173 SOG in 77 GP after 50 points in 82 games the year before.

JJ Peterka
Peterka (lower-body) missed practice and is unsure if he will dress in Detroit on Wednesday.

Peterka's status for Wednesday's game against the Detroit Red Wings is uncertain after missing practice on Wednesday due to a lower-body injury. The 23-year-old Peterka showed no signs of an ailment in Monday's 3-2 win over the Edmonton Oilers, playing 17:31 time-on-ice. He has a career-high 51 points (19G / 32A) in 61 games this season.

JJ Peterka
Peterka (concussion) will return on Wednesday in Pittsburgh.

Peterka has missed two straight games due to a concussion but has been practicing with the team for a week and will return to the lineup on Wednesday. The 22-year-old Peterka broke out last season with 50 points (28G / 22A) in 82 games. He is expected to suit up on the Sabres' top line with Tage Thompson and Alex Tuch.

JJ Peterka
Peterka (concussion) has a 50/50 chance of return to Buffalo's lineup on Wednesday in Pittsburgh.

Peterka has missed two straight games due to a concussion but has been practicing with the team for nearly a week and could return to the lineup on Wednesday. The 22-year-old Peterka broke out last season with 50 points (28G / 22A) in 82 games.

JJ Peterka
Peterka (concussion) will remain out on Thursday vs. Los Angeles.

Peterka left Buffalo's Global Series game in Prague on Saturday after just 1:39 TOI in the first period due to a concussion. He returned to team practice on Wednesday but will remain out of the lineup on Thursday against the Los Angeles Kings. The 22-year-old Peterka broke out last season with 50 points (28G / 22A) in 82 games and appears to be nearing a return to the lineup. The Sabres next game is at home on Saturday against the Florida Panthers.

JJ Peterka
Peterka (concussion) returned to Buffalo's practice in full on Wednesday.

Peterka left Buffalo's Global Series game in Prague on Saturday after just 1:39 TOI in the first period due to a concussion but returned to team practice on Wednesday. The 22-year-old Peterka broke out last season with 50 points (28G / 22A) in 82 games and appears to be nearing a return to the lineup. The Sabres next game is at home on Thursday against the Los Angeles Kings.

JJ Peterka
Peterka (concussion) is not on the ice for Tuesday's practice.

Peterka left Buffalo's Global Series game in Prague after just 1:39 TOI in the first period due to a concussion. The 22-year-old is considered day-to-day according to head coach Lindy Ruff. Peterka broke out last season with 50 points (28G / 22A) in 82 games.

JJ Peterka
Peterka has been diagnosed with a concussion.

Peterka left Buffalo's Global Series game in Prague after just 1:39 TOI in the first due to an injury and has been diagnosed with a concussion post game. The 22-year-old is without a timetable to return for the time being but should be provided updates when Buffalo returns to the United States.

JJ Peterka