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. |
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 | 4 | 54:34 | 2.20 | 1.10 | 3.30 | 0.30 | 1.90 | 40.00 | 5.50 | 34.50 | 20.00 | 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 | 4 | 54:34 | 45.08 | 3.30 | 2.50 | 27.49 | 1.10 | 1.54 | 75.00 | 61.79 | 0.49 | -1.19 | 19.43 |
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 |
5v5 Lines
| Season | Teammate | Teammate | Team | TOI | GF/60 | GA/60 | GF% | xGF/60 | xGA/60 | xGF% | xGF Rel | xGA Rel | xGF% Rel |
|---|
Glossary
| Type | Statistic | Definition |
|---|---|---|
| Individual | G/60 | Goals Against per 60 minutes. |
| Individual | A/60 | Assists per 60 minutes. |
| Individual | Pts/60 | Points per 60 minutes. |
| Individual | xG/60 | Expected Goals per 60 minutes. |
| Individual | GAE/60 | Goals Above Expected (G/60 - xG/60). |
| Individual | Sh% | Shooting Percentage. |
| Individual | xSh% | Expected Shooting Percentage. |
| Individual | Sh%AE | Shooting percentage above expected (Sh% - xSh%). |
| Individual | %SA Rush | Percentage of shot attempts determined to be on the rush. |
| Individual | %SA Reb. | Percentage of shot attempts determined to be from rebounds. |
| On Ice | SAF/60 | Shot Attempts For per 60 minutes. |
| On Ice | GF/60 | Goals For per 60 minutes. |
| On Ice | xGF/60 | Expected Goals For per 60 minutes. |
| On Ice | SAA/60 | Shot Attempts Against per 60 minutes (lower is better). |
| On Ice | GA/60 | Goals Against per 60 minutes (lower is better). |
| On Ice | xGA/60 | Expected Goals Against per 60 minutes (lower is better). |
| On Ice | GF% | Goals For Percentage = Goals For / (Goals For + Goals Against) |
| On Ice | xGF% | Expected Goals For Percentage = Expected Goals For / (Expected Goals For + Expected Goals Against) |
| On Ice | xGF Rel | xGF/60 when On Ice - xGF/60 when not On Ice. |
| On Ice | xGA Rel | xGA/60 when On Ice - xGA/60 when not On Ice (lower is better). |
| On Ice | xGF% Rel | xGF% when On Ice - xGF% when not On Ice. |
News and Opinions
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Sharks at Mammoth game 4: Lines, game thread and how to watch at Fear the Fin (Fri Oct 17, 2025)
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Sabres might have just turned a corner against Senators at Sabres Noise (Thu Oct 16, 2025)
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3 Takeaways From Mammoth’s 3-1 Win Over Flames at The Hockey Writers (Thu Oct 16, 2025)
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Top-4 : Deux des pires équipes marquent huit buts at Dans Les Coulisses (Thu Oct 16, 2025)
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Mammoth Defeat Flames 3-1 in Home Opener at The Hockey Writers (Thu Oct 16, 2025)
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Who's most to blame for the Buffalo Sabres' early-season struggles? at Sabres Noise (Wed Oct 15, 2025)
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Sabres offseason signing a head-scratcher: Insider at Sabres Noise (Wed Oct 15, 2025)
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Lindy Ruff delivers wake-up call to Jiri Kulich amid Sabres line changes at Sabres Noise (Tue Oct 14, 2025)
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3 Takeaways From Mammoth’s 3-1 Loss to Blackhawks at The Hockey Writers (Tue Oct 14, 2025)
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Top-5 : Quand les lumières se ferment dans l’amphithéâtre… en pleine rencontre at Dans Les Coulisses (Tue Oct 14, 2025)
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Ilya Mikheyev, Spencer Knight Steer Blackhawks To First Win of Jeff Blashill Era at Chicago Hockey Now (Tue Oct 14, 2025)
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It’s Just a Jump to the Left: Blackhawks vs. Mammoth Preview at Second City Hockey (Mon Oct 13, 2025)
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3 Takeaways From Mammoth’s 3-2 OT Win Over Predators at The Hockey Writers (Sun Oct 12, 2025)
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Nothing Ventured; JJ Peterka Is Ready Help The Mammoth Earn A Spot In The Playoffs at The Hockey News (Sat Oct 11, 2025)
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3 Buffalo Sabres under immense pressure early in the 2025-26 NHL season at Sabres Noise (Thu Oct 9, 2025)
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Game #1 Preview & Open Thread: Rangers vs. Sabres at Die by the Blade (Thu Oct 9, 2025)
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Avalanche vs Mammoth preview: Odds, lines, players to watch at Mile High Sticking (Thu Oct 9, 2025)
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A lapsed fan's guide to the Buffalo Sabres' 2025-26 NHL season at Sabres Noise (Thu Oct 9, 2025)
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Breaking Down the Utah Mammoth’s Opening Night Roster at The Hockey Writers (Tue Oct 7, 2025)
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Ranking all 48 Buffalo Sabres players based on 2025-26 NHL trade value at Sabres Noise (Tue Oct 7, 2025)
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NHL season preview: Strengths, weaknesses, X factors for all 32 teams at ESPN (Mon Oct 6, 2025)
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After rough season, Sabres’ Jack Quinn responds to challenge from Lindy Ruff at Buffalo Hockey Beat (Mon Oct 6, 2025)
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Quick bites: Some good, some bad in final preseason outing at Fear the Fin (Sun Oct 5, 2025)
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Buffalo Sabres given 'F' offseason grade: 'The fans here deserve better' at Sabres Noise (Thu Oct 2, 2025)
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Utah Mammoth surging up the Central Division rankings at Blackout Dallas (Tue Sep 30, 2025)
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Is Josh Doan the secret solution to a massive Buffalo Sabres problem? at Sabres Noise (Fri Sep 26, 2025)
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Maple Leafs must hope they get the same old Buffalo Sabres this season at Editor in Leaf (Fri Sep 26, 2025)
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Lindy Ruff criticizes Sabres after loss to Red Wings: 'We lost too many battles' at Sabres Noise (Fri Sep 26, 2025)
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Zach Benson hails Buffalo Sabres' defense: 'We were menaces' at Sabres Noise (Wed Sep 24, 2025)
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Sabres' Tage Thompson praised: 'A hockey camp coach playing keep-away against kids' at Sabres Noise (Tue Sep 23, 2025)
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Lindy Ruff talks Buffalo Sabres' team chemistry: 'We speak Italian' at Sabres Noise (Tue Sep 23, 2025)
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Fantasy Hockey Power Play Rankings: 2025-26 NHL Projections at Yahoo Sports NHL (Tue Sep 23, 2025)
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Biggest Questions Surrounding the Utah Mammoth Entering the 2025-26 Season at The Hockey Writers (Fri Sep 19, 2025)
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3 Buffalo Sabres set to quickly climb the depth chart at training camp at Sabres Noise (Fri Sep 19, 2025)
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Alex Tuch comments should ease Buffalo Sabres fans' contract concerns at Sabres Noise (Thu Sep 18, 2025)
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New NHL power rankings for 2025 training camp; Where do the Sabres land? at Sabres Noise (Thu Sep 18, 2025)
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The Sabres' reality: 'Those inside hockey have really soured on Buffalo' at Sabres Noise (Wed Sep 17, 2025)
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As training camp begins, Sabres facing plenty of questions at Buffalo Hockey Beat (Wed Sep 17, 2025)
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Sabres begin season facing questions about UPL’s injury and Alex Tuch’s contract extension at Buffalo Hockey Beat (Wed Sep 17, 2025)
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5 biggest questions fans have entering Buffalo Sabres training camp at Sabres Noise (Wed Sep 17, 2025)
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Sabres' Tage Thompson Still Motivated By 4 Nations' Snub: 'I Should Have Been On The Team' at Yahoo Sports NHL (Tue Sep 16, 2025)
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Utah Mammoth’s rise should have the Blues watching their back at Bleedin' Blue (Mon Sep 15, 2025)
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Why Buffalo Sabres fans should finally get excited about the 2025-26 NHL season at Sabres Noise (Mon Sep 15, 2025)
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Could Sabres Have Interest In Former Devils Forward? at Yahoo Sports NHL (Mon Sep 15, 2025)
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Betting Picks On Off-Season Winners and Losers at Yahoo Sports NHL (Sun Sep 14, 2025)
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Ranking NHL Teams By Forwards at The Hockey Writers (Fri Sep 12, 2025)
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Projecting Sabres Trade Cost - Jean-Gabriel Pageau at Yahoo Sports NHL (Thu Sep 11, 2025)
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NHL analyst says Buffalo Sabres could 'really surprise this year' at Sabres Noise (Thu Sep 11, 2025)
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Projecting Sabres Trade Cost - Luke Evangelista at Yahoo Sports NHL (Wed Sep 10, 2025)
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Buffalo Sabres’ 5 Best-Case Scenarios for 2025-26 at The Hockey Writers (Wed Sep 10, 2025)
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Sabres' Rasmus Dahlin sets new career high in 2025 NHL defensemen rankings at Sabres Noise (Wed Sep 10, 2025)
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2025-26 Fantasy Hockey Rankings: Forward tiers for drafts at Yahoo Sports NHL (Wed Sep 10, 2025)
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5 Most Improved NHL Teams After 2025 Offseason at The Hockey Writers (Tue Sep 9, 2025)
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Forward tier list: From must-haves to lottery tickets at ESPN (Tue Sep 9, 2025)
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Maple Leafs’ Rumoured Interest in Sergachev Wouldn’t Solve Team’s Main Issue at The Hockey Writers (Mon Sep 8, 2025)
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Raz’s 2025-26 Standings Predictions: Atlantic Division at The Hockey Writers (Sat Sep 6, 2025)
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Sabres front office criticized for inaction: 'No real rush to fix it' at Sabres Noise (Fri Sep 5, 2025)
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Why the Sabres should avoid trading for Sharks' Alexander Wennberg at Sabres Noise (Thu Sep 4, 2025)
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2025 T25U25: Dennis Hildeby is tied at #7 at Pension Plan Puppets (Thu Sep 4, 2025)
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Comparing every Sabres player to a member of the NFL's Buffalo Bills at Sabres Noise (Thu Sep 4, 2025)
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NHL Offseason: Marner to Vegas, Big Trades Highlight Moves at Yahoo Sports NHL (Thu Sep 4, 2025)
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Will the Buffalo Sabres go all-in for $16 million NHL trade target? at Sabres Noise (Mon Sep 1, 2025)
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Which Young NHL Talent Could Stand Out At The 2026 Olympics? at The Hockey News (Mon Sep 1, 2025)
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Buffalo Sabres have options with how they build their top line with Tage Thompson at Sabres Noise (Mon Sep 1, 2025)
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Le Mammoth a fait ce qu’il fallait pour viser les séries at HABSolument Fan (Sun Aug 31, 2025)
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Did the Buffalo Sabres make the right JJ Peterka trade this offseason? at Sabres Noise (Fri Aug 29, 2025)
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Wild Could've Made Mistake In Marco Rossi Trade at Hockey Wilderness (Fri Aug 29, 2025)
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NHL’s Central Division Remains Stacked Heading Into 2025-26 at The Hockey Writers (Thu Aug 28, 2025)
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Should the Sabres target another blockbuster NHL trade with the Mammoth? at Sabres Noise (Tue Aug 19, 2025)
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Where Is the Marco Rossi Offer Sheet? at Hockey Wilderness (Tue Aug 19, 2025)
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NHL’s Atlantic Division Likely to Be a Gauntlet in 2025-26 at The Hockey Writers (Tue Aug 19, 2025)
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NHL Morning Coffee Headlines – August 19, 2025 at Spectors Hockey (Tue Aug 19, 2025)
Current Contract
Standard Contract (RFA) ( ) (0 ratings)
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 |
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 | 4 | 2 | 1 | 3 | +2 | 6 | 33.3 | 16:44 | ||||||||||
| NHL Career | 242 | 69 | 84 | 153 | -4 | 88 | 533 | 12.9 | 16:06 | |||||||||||