Jack Sinclair #49
Washington Nationals
- P
- B/T: R/R
- 6' 4"/170
- Age: 27
- Jack Thomas Sinclair
- Status: Active
- Born: 5/03/1999 in Coral Springs, FL
- Draft: 2021, Washington Nationals, Round: 16, Overall Pick: 473
- College: Central Florida
- MLB Debut: 9/04/2026
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 52 | 6-2 | 4.03 | 60.1 | 74 | 1.36 |
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 1 | 0-0 | 0.00 | 1.0 | 1 | 0.00 |
2026 Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 0 | .000 | 0 | 0 | 0 | .000 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 240 | 25-18 | 3.61 | 306.1 | 334 | 1.28 |
MLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 1 | 0-0 | 0.00 | 1.0 | 1 | 0.00 |
MiLB Career Stats
| AB | AVG | HR | RBI | SB | OPS |
|---|---|---|---|---|---|
| 0 | .000 | 0 | 0 | 0 | .000 |
| Year | AB | R | H | HR | RBI | SB | AVG | OBP | OPS |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MiLB Stats | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 |
| MiLB Career Stats | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MiLB Stats | 6 | 2 | 4.03 | 52 | 1 | 1 | 60.1 | 74 | 1.36 |
| 2026 MLB Stats | 0 | 0 | 0.00 | 1 | 0 | 0 | 1.0 | 1 | 0.00 |
| MiLB Career Stats | 25 | 18 | 3.61 | 240 | 5 | 20 | 306.1 | 334 | 1.28 |
| MLB Career Stats | 0 | 0 | 0.00 | 1 | 0 | 0 | 1.0 | 1 | 0.00 |
- Next WSH Game: 9-06 @ LAD
Splits
| Duration | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 0 | 0 | 0.00 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 1 | 0.00 |
| Last 15 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 30 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 3 Games | W | L | SV | IP | H | ER | BB | SO |
|---|---|---|---|---|---|---|---|---|
| 9/4 @ LAD | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 1 |
2026 :
RP
(1)
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
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September 4, 2026 | Washington Nationals selected the contract of RHP Jack Sinclair from Rochester Red Wings. |
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March 27, 2026 | RHP Jack Sinclair assigned to Rochester Red Wings from Harrisburg Senators. |
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February 21, 2026 | RHP Jack Sinclair assigned to Washington Nationals. |
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July 8, 2025 | RHP Jack Sinclair assigned to Harrisburg Senators from Rochester Red Wings. |
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March 28, 2025 | RHP Jack Sinclair assigned to Rochester Red Wings from Harrisburg Senators. |
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March 6, 2025 | activated RHP Jack Sinclair. |
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January 23, 2025 | Washington Nationals invited non-roster RHP Jack Sinclair to spring training. |
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April 1, 2024 | RHP Jack Sinclair assigned to Harrisburg Senators. |
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March 13, 2024 | RHP Jack Sinclair assigned to Washington Nationals. |
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September 23, 2023 | RHP Jack Sinclair assigned to Rochester Red Wings from Harrisburg Senators. |
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September 22, 2023 | Scottsdale Scorpions activated RHP Jack Sinclair. |
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May 18, 2023 | RHP Jack Sinclair assigned to Harrisburg Senators from Wilmington Blue Rocks. |
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February 25, 2023 | RHP Jack Sinclair roster status changed by Washington Nationals. |
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February 25, 2023 | RHP Jack Sinclair assigned to Washington Nationals. |
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June 21, 2022 | RHP Jack Sinclair assigned to Wilmington Blue Rocks from Fredericksburg Nationals. |
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April 7, 2022 | RHP Jack Sinclair assigned to Fredericksburg Nationals from FCL Nationals. |
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August 18, 2021 | RHP Jack Sinclair assigned to FCL Nationals. |
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July 19, 2021 | Washington Nationals signed RHP Jack Sinclair. |
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May 21, 2021 | RHP Jack Sinclair assigned to Central Florida Knights. |
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May 21, 2021 | RHP Jack Sinclair assigned to Central Florida Knights. |
+ Show More Transactions