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JJ Peterka

Position Left Wing / Right Wing Current Team Utah Mammoth
Shoots Left Current Contract 5 years
Height 6'0" Expires 2029-30
Weight (lbs) 189 Expiry Age (Jun 30) 28
Age 23 (Jan 14, 2002) Expiry Status UFA
Drafted 2020, Round 2, Overall 34 (BUF)
Date Team Transaction
Jun 26, 2025 Utah Mammoth Signed 5 years @ $7.700M AAV starting in 2025-26
Jun 26, 2025 Utah Mammoth Acquired from Buffalo Sabres
Jun 26, 2025 Buffalo Sabres Traded to Utah Hockey Club
Jun 11, 2021 Buffalo Sabres Signed to an entry level contract.
Status History Coming Soon


URL: https://www.thestanleycap.com/cdn/player_cards/20252026/jj-peterka-8482175.png

About Player Cards

Player cards present an infographic of a players performance. In this case it shows the player performance over a 3 season span. Each square is separated into three separate sub-boxes with the two smaller boxes on top representing the past two seasons and the larger box on the bottom representing the current or most recent season. This allows the reader to guage how consistent a player has been, and if early in the season it can help identify whether a players performance may be impacted by small sample size and subject to regression or is consistent with recent past performance.

Notes and Definitions
  • The numbers represent percentiles so the higher the better.
  • Percentiles are determined by comparing Forwards to Forwards and Defensemen to Defensemen.
  • Red indicates better, blue indicates worse.
  • Bursts/mi are calculated from NHL Edge Data are are speed bursts above 20mpg per mile skated. The NHL doesn't adjust for ice time so the players that skate more will naturally have more bursts over 20, or at least more opportunity to have more. The NHL also does not provide ice time in the context of NHL Edge Statistics, however, it does provide distance skated. By adjusting for distance skated it will have a similar effect to adjusting for ice time but also adjust for situationional effect. For example, Players don't typically skate as much on the PK, mostly within the defensive zone, so don't get significant opportunity in that ice time to get speed bursts above 20mph. Adjusting with miles skates would account for this better than adjusting with ice time.
  • Sh%AE is Shooting Percentage above Expected (Sh% - xSh%) and is an indicator of how good a shooter is at converting chances into goals.
  • Relative statistics are On Ice - Off Ice statistics and can be an indicator of whether the player makes his teammates better or worse.
  • All data is 5v5 except Shooting Hardest and Average, Skating Top Speed and Bursts/mi which are all situations, ES Average which is even strength (NHL doesn't give a specific definition).
Data Sources
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5v5 Individual Stats

Season Team(s) GP TOI G/60 A/60 Pts/60 xG/60 GAE/60 Sh% xSh% Sh%AE %SA Rush %SA Reb.
2021-22 BUF 2 30:03 0.00 0.00 0.00 0.58 -0.58 0.00 9.65 -9.65 0.00 0.00
2022-23 BUF 77 919:47 0.65 1.11 1.76 0.73 -0.08 9.52 10.62 -1.10 8.44 5.19
2023-24 BUF 82 1125:52 1.23 0.96 2.18 0.93 0.30 12.30 9.30 3.00 5.34 8.02
2024-25 BUF 77 1072:31 1.01 1.34 2.35 0.63 0.38 15.00 9.38 5.62 2.58 5.67
2025-26 UTA 7 96:14 1.25 1.25 2.49 0.46 0.78 18.18 6.74 11.44 7.69 0.00

5v5 On Ice Stats

Season Team(s) GP TOI SAF/60 GF/60 xGF/60 SAA/60 GA/60 xGA/60 GF% xGF% xGF Rel xGA Rel xGF% Rel
2021-22 BUF 2 30:03 31.95 3.99 2.49 41.93 3.99 2.12 50.00 53.97 0.48 -1.00 14.85
2022-23 BUF 77 919:47 41.42 2.87 2.87 46.64 3.72 3.14 43.56 47.80 0.24 0.46 -1.80
2023-24 BUF 82 1125:52 45.99 3.25 2.71 40.88 2.45 2.57 57.01 51.35 0.31 0.04 2.67
2024-25 BUF 77 1072:31 43.97 3.97 2.53 45.65 3.36 2.81 54.20 47.30 0.24 0.35 -0.83
2025-26 UTA 7 96:14 45.51 2.49 2.46 29.93 0.62 1.54 80.00 61.39 0.27 -0.71 12.08

NHL Edge Stats

Skating Shooting Zone Time
Season GP Top Speed Bursts>20/mi Avg. Speed ES Avg. Speed Top Speed Avg. Speed %Long Range %Mid Range %High Danger ES DZ% ES NZ% ES OZ%
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Legend

Percentile 0-25 Percentile 25-50 Percentile 50-75 Percentile 75-100
Forwards are compared with forwards and Defensemen are are compared with Defensemen.

5v5 Lines

Season
Season Teammate Teammate Team TOI GF/60 GA/60 GF% xGF/60 xGA/60 xGF% xGF Rel xGA Rel xGF% Rel
This table is for Basic and Premium subscribers only. To view please login to and/or subscribe to one of our subscription plans. 2021-22 2022-23 2023-24 2024-25 2025-26 2026-27 2027-28 2028-29 2030-31 2031-32 2032-33 2033-34 2034-35

Glossary

Type Statistic Definition
IndividualG/60Goals Against per 60 minutes.
IndividualA/60Assists per 60 minutes.
IndividualPts/60Points per 60 minutes.
IndividualxG/60Expected Goals per 60 minutes.
IndividualGAE/60Goals Above Expected (G/60 - xG/60).
IndividualSh%Shooting Percentage.
IndividualxSh%Expected Shooting Percentage.
IndividualSh%AEShooting percentage above expected (Sh% - xSh%).
Individual%SA RushPercentage of shot attempts determined to be on the rush.
Individual%SA Reb.Percentage of shot attempts determined to be from rebounds.
On IceSAF/60Shot Attempts For per 60 minutes.
On IceGF/60Goals For per 60 minutes.
On IcexGF/60Expected Goals For per 60 minutes.
On IceSAA/60Shot Attempts Against per 60 minutes (lower is better).
On IceGA/60Goals Against per 60 minutes (lower is better).
On IcexGA/60Expected Goals Against per 60 minutes (lower is better).
On IceGF%Goals For Percentage = Goals For / (Goals For + Goals Against)
On IcexGF%Expected Goals For Percentage = Expected Goals For / (Expected Goals For + Expected Goals Against)
On IcexGF RelxGF/60 when On Ice - xGF/60 when not On Ice.
On IcexGA RelxGA/60 when On Ice - xGA/60 when not On Ice (lower is better).
On IcexGF% RelxGF% when On Ice - xGF% when not On Ice.
Individual and On-Ice stats from Puckalytics.com (starting in 2015-16). NHL Edge Stats from edge.nhl.com (starting in 2021-22). Edge statistic definitions can be found at the Edge Stats Glossary.

News and Opinions

Current Contract

Standard Contract (RFA) ( )  (0 ratings)

Season Age* Clause Cap Hit AAV Perf. Bonus Sign. Bonus Salary Compensation Minors Salary Status
2025-26 23 $7,700,000 $7,700,000 - - $7,700,000 $7,700,000 $7,700,000 RFA
2026-27 24 $7,700,000 $7,700,000 - - $7,700,000 $7,700,000 $7,700,000 RFA-arb
2027-28 25 $7,700,000 $7,700,000 - - $7,700,000 $7,700,000 $7,700,000 RFA-arb
2028-29 26 $7,700,000 $7,700,000 - - $7,700,000 $7,700,000 $7,700,000 RFA-arb
2029-30 27 $7,700,000 $7,700,000 - - $7,700,000 $7,700,000 $7,700,000 UFA
Total - - $38,500,000 $38,500,000 $38,500,000
Signed: June 26, 2025
Team: Utah Mammoth
GM: Bill Armstrong
Exp. Status: UFA
Cap %: 8.06

Previous Contracts (show) (hide)

Entry Level Contract ( )  (0 ratings)

Season Age* Clause Cap Hit AAV Perf. Bonus Sign. Bonus Salary Compensation Minors Salary Status
2021-22 19 $866,667 $925,000 - $92,500 - $92,500 - ELC
2022-23 20 $855,833 $894,167 $82,500 $92,500 $750,000 $842,500 $80,000 ELC
2023-24 21 $855,833 $894,167 $32,500 $92,500 $800,000 $892,500 $80,000 ELC
2024-25 22 $855,833 $894,167 - - $832,500 $832,500 $80,000 ELC
Total $115,000 $277,500 $2,382,500 $2,660,000 $240,000
Signed: June 11, 2021
Team: Buffalo Sabres
GM: Kevyn Adams
Exp. Status: RFA
Note: This entry level contract slid one season as player did not meet the games played threshold to start the contract.

Career Statistics

Regular Season Playoffs
Season League Team GP G A Pts +/- PIM Shots Sh% TOI/G GP G A Pts +/- PIM Shots Sh% TOI/G
2015-16 Schler-BL EC Bad Tölz U16 8 2 11 13 5 1 1 2
2017-18 ICEJL RB Hockey Academy U18 13 28 17 45 +35 6 7 7 12 19 +10 4
2017-18 Czechia U18 RB Hockey Academy U18 18 7 14 21 +13 4 2 4 4 +3
2018-19 WJC-18 D1A Germany U18 5 2 6 8 +8
2019-20 DEL EHC München 42 7 4 11 -6 14
2019-20 Champions HL EHC München 10 1 2 3 -1
2019-20 WJC-20 Germany U20 7 4 2 6 -1 16
2020-21 ICEHL EC Salzburg 12 7 9 16 +4 12
2020-21 WC Germany 6 1 0 1 -2 2
2020-21 WJC-20 Germany U20 5 4 6 10 -5 2
2020-21 DEL EHC München 30 9 11 20 +10 8 2 1 1 -2
2021-22 NHL Buffalo Sabres 2 0 0 0 3 0.0 16:08
2021-22 AHL Rochester Americans 70 28 40 68 -3 28 10 7 5 12 6
2022-23 NHL Buffalo Sabres 77 12 20 32 -15 26 125 9.6 13:39
2022-23 WC Germany 10 6 6 12 +8
2023-24 NHL Buffalo Sabres 82 28 22 50 +10 28 226 12.4 16:24
2023-24 WC Germany 8 5 4 9 +3 2
2024-25 NHL Buffalo Sabres 77 27 41 68 -1 34 173 15.6 18:11
2025-26 NHL Utah Mammoth 7 2 2 4 +3 2 12 16.7 16:23
NHL Career 245 69 85 154 -3 90 539 12.8 16:05