Age: 28, 205 lbs, 5'11" Born: 10/8/1997, Fujisawa, JPN Sal: N/A  Currently In the minors TRANSACTION REPORT 20 daysPushed off 40-man roster. Cleared waivers Wednesday and was sent outright to Triple-A Rochester.
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| 2025 | WSH | 23 | 0 | 38.7 | 6.98 | 1 | 1 | 0 | 0 | 43 | 8 | 0 | 9 | 30 | 3 | 17 | 1 | 0 | 30 | 30 | 0 | 1.55 | 6.98 | 5.0 | 0.2 |
| | | 23 | 0 | 38.7 | 6.98 | 1 | 1 | 0 | 0 | 43 | 8 | 0 | 9 | 30 | 3 | 17 | 1 | 0 | 30 | 30 | 0 | 1.55 | 6.98 | 5.0 | 0.2 |
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| 9/28/2025 | CWS | L0 - 8 | 0 | 0.3 | 54.00 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 12.00 | 27.00 | 0.0 |
| 9/26/2025 | CWS | L9 - 10 | 0 | 2.0 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 4.50 | 0.0 |
| 9/22/2025 | ATL@ | L5 - 11 | 0 | 2.3 | 0.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.43 | 3.86 | 0.0 |
| 9/17/2025 | ATL | L4 - 9 | 0 | 1.0 | 27.00 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 5.00 | 9.00 | 0.0 |
| 9/16/2025 | ATL | L3 - 6 | 0 | 1.0 | 0.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.00 | 0.00 | 0.0 |
| 9/15/2025 | ATL | L3 - 11 | 0 | 2.0 | 9.00 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 2 | 2 | 0 | 2.00 | 9.00 | 0.0 |
| 9/13/2025 | PIT | L1 - 5 | 0 | 1.0 | 9.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 3.00 | 0.00 | 0.0 |
| 9/8/2025 | MIA@ | W15 - 7 | 0 | 2.0 | 22.50 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 5 | 5 | 0 | 3.00 | 4.50 | 0.0 |
| 9/5/2025 | CHC@ | L5 - 11 | 0 | 2.0 | 9.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 2 | 0 | 1.00 | 0.00 | 0.0 |
| 9/3/2025 | MIA | W10 - 5 | 0 | 1.0 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 18.00 | 0.0 |
| | | | 0 | 14.7 | 13.05 | 0 | 0 | 0 | 0 | 19 | 3 | 0 | 4 | 9 | 1 | 7 | 1 | 0 | 15 | 15 | 0 | 2.74 | 7.59 | 0.0 |
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| S. Ogasaw | P | WSH | 10/29/2025 | Pushed off 40-man roster. |
| S. Ogasaw | P | WSH | 8/1/2025 | Rejoins big club. |
| S. Ogasaw | P | WSH | 7/12/2025 | Sent down to minors. |
| S. Ogasaw | P | WSH | 7/6/2025 | Promoted for MLB debut. |
| S. Ogasaw | P | WSH | 3/21/2025 | Sent to Rochester. |
| S. Ogasaw | P | WSH | 1/24/2025 | Two-year contract with Washington. |
Stars of the month
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| July 06, 2025 | S. Ogasaw | WSH | P | NA |
| July 12, 2025 | S. Ogasaw | WSH | P | NA |
| August 02, 2025 | S. Ogasaw | WSH | P | NA |
| August 06, 2025 | S. Ogasaw | WSH | P | NA |
| August 08, 2025 | S. Ogasaw | WSH | P | NA |
| August 11, 2025 | S. Ogasaw | WSH | P | NA |
| August 14, 2025 | S. Ogasaw | WSH | P | 2nd star |
| August 17, 2025 | S. Ogasaw | WSH | P | NA |
| August 20, 2025 | S. Ogasaw | WSH | P | NA |
| August 22, 2025 | S. Ogasaw | WSH | P | NA |
| August 24, 2025 | S. Ogasaw | WSH | P | NA |
| August 27, 2025 | S. Ogasaw | WSH | P | NA |
| August 31, 2025 | S. Ogasaw | WSH | P | NA |
| September 03, 2025 | S. Ogasaw | WSH | P | NA |
| September 05, 2025 | S. Ogasaw | WSH | P | NA |
| September 08, 2025 | S. Ogasaw | WSH | P | NA |
| September 13, 2025 | S. Ogasaw | WSH | P | NA |
| September 15, 2025 | S. Ogasaw | WSH | P | NA |
| September 16, 2025 | S. Ogasaw | WSH | P | NA |
| September 17, 2025 | S. Ogasaw | WSH | P | NA |
| September 22, 2025 | S. Ogasaw | WSH | P | NA |
| September 26, 2025 | S. Ogasaw | WSH | P | NA |
| September 28, 2025 | S. Ogasaw | WSH | P | NA |
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Stars of the week
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| July 06, 2025 | S. Ogasaw | WSH | P | NA |
| July 12, 2025 | S. Ogasaw | WSH | P | NA |
| August 02, 2025 | S. Ogasaw | WSH | P | NA |
| August 08, 2025 | S. Ogasaw | WSH | P | 1st star |
| August 17, 2025 | S. Ogasaw | WSH | P | 1st star |
| August 22, 2025 | S. Ogasaw | WSH | P | 1st star |
| August 27, 2025 | S. Ogasaw | WSH | P | 3rd star |
| August 31, 2025 | S. Ogasaw | WSH | P | 3rd star |
| September 05, 2025 | S. Ogasaw | WSH | P | 2nd star |
| September 08, 2025 | S. Ogasaw | WSH | P | NA |
| September 13, 2025 | S. Ogasaw | WSH | P | 1st star |
| September 15, 2025 | S. Ogasaw | WSH | P | 2nd star |
| September 16, 2025 | S. Ogasaw | WSH | P | 3rd star |
| September 17, 2025 | S. Ogasaw | WSH | P | 3rd star |
| September 22, 2025 | S. Ogasaw | WSH | P | 3rd star |
| September 28, 2025 | S. Ogasaw | WSH | P | 2nd star |
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