James Thomas Marcinkowski
- Current team
- Los Angeles Galaxy (CONCACAF Champions League)
- Position
- Goalkeeper
- Nationality
- USA
- Age
- 28
- Born
- May 9, 1997 — Alamo, USA
- Height
- 185 cm
- Weight
- 84 kg
| 2026 | CONCACAF Champions League | Los Angeles Galaxy | Goalkeeper | 6 | 540 | 12 | 8 | 0 | 0 | 6.48 |
| 2026 | Major League Soccer | Los Angeles Galaxy | Goalkeeper | 6 | 552 | 19 | 7 | 1 | 0 | 6.80 |
| 2025 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2025 | MLS Next Pro | Ventura County | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2025 | US Open Cup | Ventura County | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2025 | Leagues Cup | Los Angeles Galaxy | Goalkeeper | 4 | 0 | 0 | 0 | 0 | 0 | — |
| 2025 | CONCACAF Champions League | Los Angeles Galaxy | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2025 | Major League Soccer | Los Angeles Galaxy | Goalkeeper | 3 | 270 | 4 | 3 | 0 | 0 | 6.63 |
| 2024 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2024 | US Open Cup | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2024 | Leagues Cup | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2023 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 13 | 1111 | 39 | 15 | 1 | 0 | 6.89 |
| 2023 | US Open Cup | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2023 | Leagues Cup | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2022 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 33 | 2926 | 103 | 58 | 0 | 0 | 6.79 |
| 2022 | US Open Cup | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2021 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 33 | 2970 | 129 | 53 | 2 | 0 | 6.91 |
| 2020 | USL Championship | Reno 1868 | Goalkeeper | 1 | 90 | 0 | 0 | 0 | 0 | — |
| 2020 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 12 | 1110 | 30 | 17 | 1 | 0 | 6.71 |
| 2020 | Olympics Men - Qualification Concacaf | United States U23 | Goalkeeper | 1 | 90 | 0 | 0 | 0 | 0 | — |
| 2020 | Friendlies | USA | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2019 | USL Championship | Reno 1868 | Goalkeeper | 16 | 1440 | 0 | 0 | 0 | 0 | — |
| 2019 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2019 | US Open Cup | Reno 1868 | Goalkeeper | 1 | 90 | 0 | 0 | 0 | 0 | — |
| 2019 | US Open Cup | San Jose Earthquakes | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2018 | USL Championship | Reno 1868 | Goalkeeper | 24 | 2160 | 0 | 0 | 1 | 0 | — |
| 2018 | Major League Soccer | San Jose Earthquakes | Goalkeeper | 5 | 450 | 21 | 11 | 0 | 0 | 6.66 |
| 2018 | Club Friendlies | San Jose Earthquakes | Goalkeeper | 1 | 46 | 0 | 0 | 0 | 0 | — |
| 2017 | World Cup - U20 | United States U20 | Goalkeeper | 0 | 0 | 0 | 0 | 0 | 0 | — |
| 2017 | Concacaf U20 | United States U20 | Goalkeeper | 1 | 90 | 0 | 0 | 0 | 0 | — |