John M. Duffy
#15 NY Dynamo / USPHL Premier - 25/26
- Date of Birth
- Jul 20, 2005
- Age
- 21
- Place of Birth
- Potsdam, NY, USA
- Nation
- USA
- Youth Team
- -
- Position
- F/D
- Height
- 178 cm / 5'10"
- Weight
- 82 kg / 181 lbs
- Shoots
- L
- Contract
- -
| S | Team | League | GP | G | A | TP | PIM | +/- | Post | GP | G | A | TP | PIM | +/- |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018-2019 |  St. Lawrence Steel 14U AA | HEO U14 AA | 30 | 5 | 8 | 13 | 6 | - | |||||||
| 2018-2019 | St. Lawrence Steel 15U AA | HEO U15 AA | 9 | 0 | 1 | 1 | 0 | - | |||||||
| 2019-2020 | Potsdam Central High | USHS-NY | 18 | 0 | 0 | 0 | 0 | - | |||||||
| 2020-2021 | Potsdam Central High | USHS-NY | 7 | 2 | 5 | 7 | 0 | - | |||||||
| 2021-2022 | Potsdam Central High | USHS-NY | 19 | 17 | 24 | 41 | - | - | |||||||
| 2022-2023 | Potsdam Central High | USHS-NY | - | - | - | - | - | - | |||||||
| 2023-2024 | Potsdam Central High | USHS-NY | 20 | 20 | 22 | 42 | 2 | - | |||||||
| 2024-2025 | Islanders Hockey Club | USPHL Elite | 42 | 25 | 25 | 50 | 6 | - | Playoffs | 8 | 2 | 8 | 10 | 0 | - |
| 2025-2026 | NY Dynamo | USPHL Premier | 44 | 23 | 36 | 59 | 28 | - | Playoffs | 2 | 1 | 1 | 2 | 0 | - |
| League | Seasons | GP | G | A | TP | PPG | PIM | +/- | Seasons | GP | G | A | TP | PPG | PIM | +/- |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 HEO U14 AA | 1 | 30 | 5 | 8 | 13 | 0.43 | 6 | - | 0 | |||||||
| HEO U15 AA | 1 | 9 | 0 | 1 | 1 | 0.11 | 0 | - | 0 | |||||||
| USHS-NY | 5 | 64* | 39* | 51* | 90* | 1.41* | 2* | - | 0 | |||||||
| USPHL Elite | 1 | 42 | 25 | 25 | 50 | 1.19 | 6 | - | 1 | 8 | 2 | 8 | 10 | 1.25 | 0 | - |
| USPHL Premier | 1 | 44 | 23 | 36 | 59 | 1.34 | 28 | - | 1 | 2 | 1 | 1 | 2 | 1.00 | 0 | - |
* Some data is missing to provide a correct summary.
| Team | Seasons | GP | G | A | TP | PPG | PIM | +/- | Seasons | GP | G | A | TP | PPG | PIM | +/- |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Islanders Hockey Club (Elite) | 1 | 42 | 25 | 25 | 50 | 1.19 | 6 | - | 1 | 8 | 2 | 8 | 10 | 1.25 | 0 | - |
| NY Dynamo (Premier) | 1 | 44 | 23 | 36 | 59 | 1.34 | 28 | - | 1 | 2 | 1 | 1 | 2 | 1.00 | 0 | - |
| Potsdam Central High (NY) | 5 | 64* | 39* | 51* | 90* | 1.41* | 2* | - | 0 | |||||||
| St. Lawrence Steel 14U AA | 1 | 30 | 5 | 8 | 13 | 0.43 | 6 | - | 0 | |||||||
| St. Lawrence Steel 15U AA | 1 | 9 | 0 | 1 | 1 | 0.11 | 0 | - | 0 |
* Some data is missing to provide a correct summary.