Age: 26, 239 lbs, 6'4" Born: 9/27/1999, Albuquerque, NM, USA Sal: N/A PLAYER NEWS REPORT 2 monthsCollects long-relief save. Earned a save in the Nationals' 3-2 win over the Mets on Sunday. He allowed two hits and no walks while striking out two across 3.2 scoreless innings.
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| 2025 | WSH | 33 | 0 | 164.7 | 5.68 | 9 | 16 | 0 | 1 | 178 | 43 | 4 | 25 | 103 | 4 | 58 | 3 | 0 | 116 | 104 | 0 | 1.43 | 5.63 | 48.0 | 1.5 |
| 2024 | WSH | 29 | 0 | 151.0 | 4.29 | 7 | 10 | 0 | 0 | 154 | 31 | 2 | 18 | 133 | 2 | 43 | 7 | 0 | 82 | 72 | 0 | 1.30 | 7.93 | 35.0 | 1.2 |
| | | 62 | 0 | 315.7 | 4.99 | 16 | 26 | 0 | 1 | 332 | 74 | 6 | 43 | 236 | 6 | 101 | 10 | 0 | 198 | 176 | 0 | 1.37 | 6.78 | 83.0 | 1.3 |
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| 9/28/2025 | CWS | L0 - 8 | 0 | 2.0 | 4.50 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0.50 | 0.00 | 0.0 |
| 9/24/2025 | ATL@ | W4 - 3 | 0 | 0.7 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.50 | 0.00 | 5.0 |
| 9/21/2025 | NYM@ | W3 - 2 | 0 | 3.7 | 0.00 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.55 | 4.91 | 3.0 |
| 9/15/2025 | ATL | L3 - 11 | 0 | 5.0 | 10.80 | 0 | 1 | 0 | 0 | 10 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 6 | 6 | 0 | 2.20 | 1.80 | 0.0 |
| 9/9/2025 | MIA@ | W7 - 5 | 0 | 7.7 | 2.35 | 1 | 0 | 0 | 0 | 4 | 1 | 0 | 1 | 2 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 0.78 | 2.35 | 5.0 |
| 9/3/2025 | MIA | W10 - 5 | 0 | 4.7 | 3.86 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 1 | 4 | 1 | 1 | 0 | 0 | 4 | 2 | 0 | 1.71 | 7.71 | 0.0 |
| 8/29/2025 | TB | L1 - 4 | 0 | 6.3 | 4.26 | 0 | 1 | 0 | 0 | 6 | 1 | 0 | 2 | 7 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0.95 | 9.95 | 0.0 |
| 8/23/2025 | PHI@ | L4 - 6 | 0 | 5.0 | 10.80 | 0 | 1 | 0 | 0 | 6 | 2 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 6 | 6 | 0 | 1.40 | 5.40 | 0.0 |
| 8/17/2025 | PHI | L9 - 11 | 0 | 1.7 | 27.00 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 6 | 5 | 0 | 4.20 | 0.00 | 0.0 |
| 8/12/2025 | KC@ | L5 - 8 | 0 | 5.3 | 8.44 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 3 | 0 | 3 | 0 | 0 | 5 | 5 | 0 | 0.94 | 5.06 | 0.0 |
| | | | 0 | 42.0 | 7.20 | 2 | 4 | 0 | 1 | 42 | 7 | 0 | 9 | 22 | 1 | 12 | 1 | 0 | 33 | 30 | 0 | 1.47 | 3.72 | 13.0 |
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| M. Parker | SP | WSH | 6/7/2025 | 6/16/2025 | -1 | Earned runs allowed |
Stars of the month
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| March 30, 2025 | M. Parker | WSH | SP | NA |
| April 05, 2025 | M. Parker | WSH | SP | NA |
| April 11, 2025 | M. Parker | WSH | SP | NA |
| April 16, 2025 | M. Parker | WSH | SP | NA |
| April 22, 2025 | M. Parker | WSH | SP | NA |
| April 27, 2025 | M. Parker | WSH | SP | NA |
| May 02, 2025 | M. Parker | WSH | SP | NA |
| May 09, 2025 | M. Parker | WSH | SP | NA |
| May 14, 2025 | M. Parker | WSH | SP | NA |
| May 20, 2025 | M. Parker | WSH | SP | NA |
| May 27, 2025 | M. Parker | WSH | SP | NA |
| June 01, 2025 | M. Parker | WSH | SP | NA |
| June 07, 2025 | M. Parker | WSH | SP | NA |
| June 13, 2025 | M. Parker | WSH | SP | NA |
| June 18, 2025 | M. Parker | WSH | SP | NA |
| June 23, 2025 | M. Parker | WSH | SP | NA |
| June 29, 2025 | M. Parker | WSH | SP | NA |
| July 05, 2025 | M. Parker | WSH | SP | NA |
| July 11, 2025 | M. Parker | WSH | SP | NA |
| July 19, 2025 | M. Parker | WSH | SP | NA |
| July 26, 2025 | M. Parker | WSH | SP | NA |
| August 01, 2025 | M. Parker | WSH | SP | NA |
| August 07, 2025 | M. Parker | WSH | SP | NA |
| August 12, 2025 | M. Parker | WSH | SP | NA |
| August 17, 2025 | M. Parker | WSH | SP | NA |
| August 23, 2025 | M. Parker | WSH | SP | NA |
| August 29, 2025 | M. Parker | WSH | SP | NA |
| September 03, 2025 | M. Parker | WSH | SP | NA |
| September 09, 2025 | M. Parker | WSH | SP | NA |
| September 15, 2025 | M. Parker | WSH | SP | NA |
| September 21, 2025 | M. Parker | WSH | SP | NA |
| September 24, 2025 | M. Parker | WSH | SP | NA |
| September 28, 2025 | M. Parker | WSH | SP | NA |
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Stars of the week
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| March 30, 2025 | M. Parker | WSH | SP | 2nd star |
| April 05, 2025 | M. Parker | WSH | SP | NA |
| April 11, 2025 | M. Parker | WSH | SP | NA |
| April 16, 2025 | M. Parker | WSH | SP | 3rd star |
| April 22, 2025 | M. Parker | WSH | SP | 2nd star |
| April 27, 2025 | M. Parker | WSH | SP | NA |
| May 02, 2025 | M. Parker | WSH | SP | NA |
| May 09, 2025 | M. Parker | WSH | SP | NA |
| May 14, 2025 | M. Parker | WSH | SP | NA |
| May 20, 2025 | M. Parker | WSH | SP | NA |
| May 27, 2025 | M. Parker | WSH | SP | NA |
| June 01, 2025 | M. Parker | WSH | SP | NA |
| June 07, 2025 | M. Parker | WSH | SP | 2nd star |
| June 13, 2025 | M. Parker | WSH | SP | NA |
| June 18, 2025 | M. Parker | WSH | SP | 3rd star |
| June 23, 2025 | M. Parker | WSH | SP | NA |
| June 29, 2025 | M. Parker | WSH | SP | NA |
| July 05, 2025 | M. Parker | WSH | SP | NA |
| July 11, 2025 | M. Parker | WSH | SP | NA |
| July 19, 2025 | M. Parker | WSH | SP | NA |
| July 26, 2025 | M. Parker | WSH | SP | NA |
| August 01, 2025 | M. Parker | WSH | SP | NA |
| August 07, 2025 | M. Parker | WSH | SP | NA |
| August 12, 2025 | M. Parker | WSH | SP | NA |
| August 17, 2025 | M. Parker | WSH | SP | NA |
| August 23, 2025 | M. Parker | WSH | SP | NA |
| August 29, 2025 | M. Parker | WSH | SP | NA |
| September 03, 2025 | M. Parker | WSH | SP | NA |
| September 09, 2025 | M. Parker | WSH | SP | Rookie star |
| September 15, 2025 | M. Parker | WSH | SP | NA |
| September 28, 2025 | M. Parker | WSH | SP | 1st star |
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