| W | L | ERA | G | GS | SV | IP | SO | WHIP | |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 3 | 2 | 5.95 | 35 | 2 | 0 | 42.1 | 43 | 1.70 |
| Career Minors | 19 | 16 | 3.51 | 188 | 4 | 19 | 246 | 260 | 1.26 |
| G | W-L | ERA | IP | SO | WHIP | |
|---|---|---|---|---|---|---|
| 2025 | 35 | 3-2 | 5.95 | 42.1 | 43 | 1.70 |
| Career Minors | 188 | 19-16 | 3.51 | 246 | 260 | 1.26 |
| Season | Tm | LG | L | W | L | ERA | G | GS | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | FCL Nationals | FCL | ROK | 0 | 0 | 5.06 | 6 | 2 | 0 | 10.2 | 13 | 9 | 6 | 1 | 4 | 8 | 1.59 |
| 2022 | 2 Teams | Minors | 6 | 2 | 1.70 | 38 | 0 | 5 | 53.0 | 30 | 12 | 10 | 2 | 15 | 61 | 0.85 | |
| 2022 | Fredericksburg Nationals | CAR | A | 4 | 1 | 1.21 | 18 | 0 | 2 | 22.1 | 15 | 3 | 3 | 0 | 6 | 28 | 0.94 |
| 2022 | Wilmington Blue Rocks | SAL | A+ | 2 | 1 | 2.05 | 20 | 0 | 3 | 30.2 | 15 | 9 | 7 | 2 | 9 | 33 | 0.78 |
| 2023 | 3 Teams | Minors | 5 | 7 | 3.79 | 48 | 0 | 6 | 61.2 | 49 | 30 | 26 | 8 | 31 | 65 | 1.30 | |
| 2023 | Wilmington Blue Rocks | SAL | A+ | 3 | 2 | 3.18 | 12 | 0 | 5 | 17.0 | 10 | 8 | 6 | 0 | 5 | 17 | 0.88 |
| 2023 | Harrisburg Senators | EAS | AA | 2 | 5 | 4.12 | 35 | 0 | 1 | 43.2 | 39 | 22 | 20 | 8 | 25 | 45 | 1.47 |
| 2023 | Rochester Red Wings | INT | AAA | 0 | 0 | 0.00 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 3 | 1.00 |
| 2024 | Harrisburg Senators | EAS | AA | 5 | 3 | 2.20 | 43 | 0 | 8 | 57.1 | 35 | 16 | 14 | 3 | 20 | 65 | 0.96 |
| 2025 | 2 Teams | Minors | 3 | 4 | 5.68 | 53 | 2 | 0 | 63.1 | 69 | 42 | 40 | 6 | 43 | 61 | 1.77 | |
| 2025 | Harrisburg Senators | EAS | AA | 0 | 2 | 5.14 | 18 | 0 | 0 | 21.0 | 23 | 12 | 12 | 2 | 17 | 18 | 1.90 |
| 2025 | Rochester Red Wings | INT | AAA | 3 | 2 | 5.95 | 35 | 2 | 0 | 42.1 | 46 | 30 | 28 | 4 | 26 | 43 | 1.70 |
| FCL Nationals | FCL | ROK | 0 | 0 | 5.06 | 6 | 2 | 0 | 10.2 | 13 | 9 | 6 | 1 | 4 | 8 | 1.59 | |
| Rochester Red Wings | INT | AAA | 3 | 2 | 5.82 | 36 | 2 | 0 | 43.1 | 46 | 30 | 28 | 4 | 27 | 46 | 1.68 | |
| Harrisburg Senators | EAS | AA | 7 | 10 | 3.39 | 96 | 0 | 9 | 122.0 | 97 | 50 | 46 | 13 | 62 | 128 | 1.30 | |
| Wilmington Blue Rocks | SAL | A+ | 5 | 3 | 2.45 | 32 | 0 | 8 | 47.2 | 25 | 17 | 13 | 2 | 14 | 50 | 0.82 | |
| Fredericksburg Nationals | CAR | A | 4 | 1 | 1.21 | 18 | 0 | 2 | 22.1 | 15 | 3 | 3 | 0 | 6 | 28 | 0.94 | |
| Career Minors | 5 Teams | 19 | 16 | 3.51 | 188 | 4 | 19 | 246.0 | 196 | 109 | 96 | 20 | 113 | 260 | 1.26 |
| Team | Date | Transaction |
|---|---|---|
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07/08/2025 | RHP Jack Sinclair assigned to Harrisburg Senators from Rochester Red Wings. |
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03/28/2025 | RHP Jack Sinclair assigned to Rochester Red Wings from Harrisburg Senators. |
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03/06/2025 | activated RHP Jack Sinclair. |
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01/23/2025 | Washington Nationals invited non-roster RHP Jack Sinclair to spring training. |
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04/01/2024 | RHP Jack Sinclair assigned to Harrisburg Senators. |
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03/13/2024 | RHP Jack Sinclair assigned to Washington Nationals. |
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09/23/2023 | RHP Jack Sinclair assigned to Rochester Red Wings from Harrisburg Senators. |
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09/22/2023 | Scottsdale Scorpions activated RHP Jack Sinclair. |
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05/18/2023 | RHP Jack Sinclair assigned to Harrisburg Senators from Wilmington Blue Rocks. |
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02/25/2023 | RHP Jack Sinclair roster status changed by Washington Nationals. |
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02/25/2023 | RHP Jack Sinclair assigned to Washington Nationals. |
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06/21/2022 | RHP Jack Sinclair assigned to Wilmington Blue Rocks from Fredericksburg Nationals. |
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04/07/2022 | RHP Jack Sinclair assigned to Fredericksburg Nationals from FCL Nationals. |
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08/18/2021 | RHP Jack Sinclair assigned to FCL Nationals. |
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07/19/2021 | Washington Nationals signed RHP Jack Sinclair. |
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05/21/2021 | RHP Jack Sinclair assigned to Central Florida Knights. |
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05/21/2021 | RHP Jack Sinclair assigned to Central Florida Knights. |