Age: 30, 165 lbs, 5'8" Born: 10/30/1995, Yokohama, Japan Sal: N/A PLAYER NEWS REPORT 6 monthsMops up for first save. Walked one and struck out one over one-third of a hitless and scoreless inning to earn the save in Thursday's 5-3 win over the Dodgers.
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| 2025 | SD | 61 | 0 | 63.3 | 3.98 | 3 | 1 | 0 | 1 | 53 | 10 | 2 | 10 | 61 | 1 | 33 | 5 | 0 | 29 | 28 | 0 | 1.36 | 8.67 | 18.0 | 0.3 |
| 2024 | SD | 64 | 0 | 62.7 | 3.73 | 4 | 2 | 0 | 0 | 46 | 10 | 3 | 8 | 69 | 0 | 27 | 8 | 0 | 27 | 26 | 0 | 1.16 | 9.91 | 20.0 | 0.3 |
| | | 125 | 0 | 126.0 | 3.86 | 7 | 3 | 0 | 1 | 99 | 20 | 5 | 18 | 130 | 1 | 60 | 13 | 0 | 56 | 54 | 0 | 1.26 | 9.29 | 38.0 | 0.3 |
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| 9/27/2025 | AZ | W5 - 1 | 0 | 2.3 | 3.86 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 2.14 | 3.86 | 5.0 |
| 9/23/2025 | MIL | W7 - 0 | 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 |
| 9/18/2025 | NYM@ | L1 - 6 | 0 | 1.0 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.0 |
| 9/16/2025 | NYM@ | L3 - 8 | 0 | 1.7 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1.20 | 10.80 | 0.0 |
| 9/13/2025 | COL | W11 - 3 | 0 | 1.0 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 9.00 | 0.0 |
| 9/10/2025 | CIN | L1 - 2 | 0 | 0.7 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.50 | 13.50 | 0.0 |
| 9/2/2025 | BAL | L2 - 6 | 0 | 1.0 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 9.00 | 0.0 |
| 8/31/2025 | MIN@ | L2 - 7 | 0 | 2.0 | 4.50 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1.50 | 13.50 | 0.0 |
| 8/29/2025 | MIN@ | L4 - 7 | 0 | 1.0 | 9.00 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 1 | 1 | 0 | 5.00 | 9.00 | 0.0 |
| 8/27/2025 | SEA@ | L3 - 4 | 0 | 1.3 | 0.00 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.75 | 6.75 | 0.0 |
| | | | 0 | 13.0 | 1.74 | 1 | 0 | 0 | 0 | 9 | 0 | 1 | 1 | 11 | 0 | 9 | 0 | 0 | 3 | 3 | 0 | 1.31 | 7.54 | 5.0 |
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| Y. Matsui | P | SD | 12/23/2023 | Five-year contract with San Diego. |
Stars of the month
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| March 27, 2025 | Y. Matsui | SD | P | NA |
| March 31, 2025 | Y. Matsui | SD | P | NA |
| April 01, 2025 | Y. Matsui | SD | P | NA |
| April 04, 2025 | Y. Matsui | SD | P | NA |
| April 08, 2025 | Y. Matsui | SD | P | NA |
| April 11, 2025 | Y. Matsui | SD | P | NA |
| April 15, 2025 | Y. Matsui | SD | P | NA |
| April 18, 2025 | Y. Matsui | SD | P | NA |
| April 21, 2025 | Y. Matsui | SD | P | NA |
| April 23, 2025 | Y. Matsui | SD | P | NA |
| April 26, 2025 | Y. Matsui | SD | P | NA |
| May 02, 2025 | Y. Matsui | SD | P | NA |
| May 03, 2025 | Y. Matsui | SD | P | NA |
| May 05, 2025 | Y. Matsui | SD | P | NA |
| May 09, 2025 | Y. Matsui | SD | P | NA |
| May 11, 2025 | Y. Matsui | SD | P | NA |
| May 13, 2025 | Y. Matsui | SD | P | NA |
| May 17, 2025 | Y. Matsui | SD | P | Rookie star |
| May 18, 2025 | Y. Matsui | SD | P | NA |
| May 22, 2025 | Y. Matsui | SD | P | NA |
| May 24, 2025 | Y. Matsui | SD | P | NA |
| May 27, 2025 | Y. Matsui | SD | P | NA |
| May 28, 2025 | Y. Matsui | SD | P | NA |
| May 31, 2025 | Y. Matsui | SD | P | NA |
| June 03, 2025 | Y. Matsui | SD | P | NA |
| June 05, 2025 | Y. Matsui | SD | P | NA |
| June 08, 2025 | Y. Matsui | SD | P | NA |
| June 09, 2025 | Y. Matsui | SD | P | NA |
| June 11, 2025 | Y. Matsui | SD | P | NA |
| June 14, 2025 | Y. Matsui | SD | P | NA |
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Stars of the week
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| April 08, 2025 | Y. Matsui | SD | P | 1st star |
| April 18, 2025 | Y. Matsui | SD | P | 1st star |
| April 23, 2025 | Y. Matsui | SD | P | 2nd star |
| May 18, 2025 | Y. Matsui | SD | P | 2nd star |
| May 28, 2025 | Y. Matsui | SD | P | 1st star |
| May 31, 2025 | Y. Matsui | SD | P | 2nd star |
| June 09, 2025 | Y. Matsui | SD | P | 1st star |
| June 23, 2025 | Y. Matsui | SD | P | 3rd star |
| June 27, 2025 | Y. Matsui | SD | P | Rookie star |
| July 02, 2025 | Y. Matsui | SD | P | 1st star |
| July 07, 2025 | Y. Matsui | SD | P | 2nd star |
| July 19, 2025 | Y. Matsui | SD | P | 1st star |
| August 02, 2025 | Y. Matsui | SD | P | 2nd star |
| August 04, 2025 | Y. Matsui | SD | P | 1st star |
| August 24, 2025 | Y. Matsui | SD | P | 1st star |
| August 29, 2025 | Y. Matsui | SD | P | 1st star |
| August 31, 2025 | Y. Matsui | SD | P | 1st star |
| September 10, 2025 | Y. Matsui | SD | P | 3rd star |
| September 23, 2025 | Y. Matsui | SD | P | 3rd star |
| September 27, 2025 | Y. Matsui | SD | P | 1st star |
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