Age: 37, 230 lbs, 6'4" Born: 8/23/1988, Jupiter, FL, USA Sal: N/A  Currently Suspended TRANSACTION REPORT 4 daysSuspension going into effect. Major League Baseball announced that Mikolas will begin serving his five-game suspension.
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| 2026 | WSH | 20 | 0 | 94.3 | 5.53 | 3 | 7 | 0 | 0 | 105 | 16 | 0 | 20 | 50 | 0 | 20 | 1 | 0 | 63 | 58 | 0 | 1.33 | 4.77 | 15.0 | 0.8 |
| 2025 | STL | 31 | 0 | 156.3 | 4.84 | 8 | 11 | 0 | 0 | 169 | 42 | 4 | 29 | 100 | 3 | 37 | 1 | 0 | 87 | 84 | 0 | 1.32 | 5.76 | 40.0 | 1.3 |
| 2024 | STL | 32 | 0 | 171.7 | 5.35 | 10 | 11 | 0 | 0 | 194 | 51 | 4 | 26 | 122 | 5 | 25 | 0 | 1 | 106 | 102 | 0 | 1.28 | 6.40 | 50.0 | 1.6 |
| 2023 | STL | 35 | 0 | 201.3 | 4.78 | 9 | 13 | 0 | 0 | 226 | 50 | 5 | 26 | 137 | 8 | 39 | 4 | 0 | 110 | 107 | 0 | 1.32 | 6.12 | 45.0 | 1.3 |
| 2022 | STL | 33 | 1 | 202.3 | 3.29 | 12 | 13 | 0 | 0 | 170 | 31 | 2 | 25 | 153 | 6 | 39 | 1 | 1 | 81 | 74 | 0 | 1.03 | 6.81 | 60.0 | 1.8 |
| 2021 | STL | 9 | 0 | 44.7 | 4.23 | 2 | 3 | 0 | 0 | 43 | 8 | 0 | 6 | 31 | 2 | 11 | 1 | 0 | 24 | 21 | 0 | 1.21 | 6.25 | 10.0 | 1.1 |
| 2019 | STL | 32 | 1 | 184.0 | 4.16 | 9 | 14 | 1 | 0 | 193 | 0 | 0 | 27 | 144 | 12 | 32 | 5 | 0 | 90 | 85 | 0 | 1.22 | 7.04 | 45.0 | 1.4 |
| 2018 | STL | 34 | 1 | 200.7 | 2.83 | 18 | 4 | 1 | 0 | 186 | 0 | 0 | 16 | 146 | 7 | 29 | 2 | 0 | 70 | 63 | 0 | 1.07 | 6.55 | 90.0 | 2.6 |
| 2014 | TEX | 10 | 0 | 57.3 | 6.44 | 2 | 5 | 0 | 0 | 64 | 0 | 0 | 8 | 38 | 4 | 18 | 0 | 0 | 43 | 41 | 0 | 1.43 | 5.97 | 10.0 | 1.0 |
| 2013 | TEX | 2 | 0 | 1.7 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0.60 | 5.40 | 0.0 | 0.0 |
| 2012 | SD | 25 | 0 | 32.3 | 3.62 | 2 | 1 | 0 | 0 | 32 | 0 | 0 | 4 | 0 | 2 | 15 | 2 | 0 | 15 | 13 | 0 | 1.45 | 0.00 | 10.0 | 0.4 |
| | | 263 | 3 | 1346.7 | 4.10 | 75 | 82 | 2 | 0 | 1382 | 198 | 15 | 187 | 922 | 50 | 266 | 17 | 2 | 689 | 648 | 0 | 1.20 | 5.55 | 375.0 | 1.2 |
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| 7/11/2026 | NYY | L2 - 4 | 0 | 4.0 | 0.00 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.25 | 0.00 | 0.0 |
| 7/6/2026 | HOU | W12 - 11 | 0 | 6.0 | 10.50 | 1 | 0 | 0 | 0 | 9 | 1 | 0 | 2 | 3 | 0 | 2 | 0 | 0 | 7 | 7 | 0 | 1.83 | 4.50 | 5.0 |
| 6/29/2026 | BOS@ | L3 - 6 | 0 | 7.0 | 7.71 | 0 | 1 | 0 | 0 | 9 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 6 | 6 | 0 | 1.29 | 3.86 | 0.0 |
| 6/24/2026 | PHI | L4 - 5 | 0 | 3.3 | 0.00 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1.50 | 2.70 | 0.0 |
| 6/19/2026 | TB@ | L2 - 5 | 0 | 6.0 | 7.50 | 0 | 1 | 0 | 0 | 9 | 1 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 5 | 5 | 0 | 1.67 | 3.00 | 0.0 |
| 6/14/2026 | SEA | W10 - 1 | 0 | 7.0 | 0.00 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.43 | 3.86 | 5.0 |
| 6/8/2026 | SF@ | W4 - 3 | 0 | 4.7 | 0.00 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.64 | 3.86 | 0.0 |
| 6/2/2026 | MIA | L3 - 7 | 0 | 6.0 | 9.00 | 0 | 1 | 0 | 0 | 6 | 0 | 0 | 3 | 4 | 0 | 2 | 0 | 0 | 6 | 6 | 0 | 1.33 | 6.00 | 0.0 |
| 5/27/2026 | CLE@ | L2 - 3 | 0 | 3.7 | 4.91 | 0 | 1 | 0 | 0 | 6 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1.64 | 2.45 | 0.0 |
| 5/22/2026 | ATL@ | L4 - 5 | 0 | 5.0 | 0.00 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.60 | 5.40 | 0.0 |
| | | | 0 | 52.7 | 3.96 | 2 | 4 | 0 | 0 | 57 | 8 | 0 | 9 | 22 | 0 | 6 | 0 | 0 | 28 | 26 | 0 | 1.22 | 3.56 | 10.0 |
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| M. Mikola | SP | WSH | 7/11/2026 | Suspension going into effect. |
| M. Mikola | SP | WSH | 7/2/2026 | Tagged with five-game suspension. |
| M. Mikola | SP | WSH | 2/11/2026 | Latches on with Nationals. |
| M. Mikola | SP | WSH | 8/7/2023 | Rejoining rotation. |
| M. Mikola | SP | WSH | 3/24/2023 | Agrees to $40 million extension. |
| M. Mikola | SP | WSH | 8/20/2021 | Reinstated for Friday's start. |
| M. Mikola | SP | WSH | 5/22/2021 | Activated ahead of start. |
| M. Mikola | SP | WSH | 10/30/2020 | Activated from the 45-day IL. |
| M. Mikola | SP | WSH | 8/9/2020 | Transferred from the 10-day IL to the 45-day IL. |
| M. Mikola | SP | WSH | 7/28/2020 | Placed on the 10-day IL, retroactive to July 25. |
Stars of the month
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| March 28, 2026 | M. Mikola | WSH | SP | NA |
| April 03, 2026 | M. Mikola | WSH | SP | NA |
| April 08, 2026 | M. Mikola | WSH | SP | NA |
| April 14, 2026 | M. Mikola | WSH | SP | NA |
| April 19, 2026 | M. Mikola | WSH | SP | NA |
| April 24, 2026 | M. Mikola | WSH | SP | NA |
| April 30, 2026 | M. Mikola | WSH | SP | NA |
| May 06, 2026 | M. Mikola | WSH | SP | NA |
| May 12, 2026 | M. Mikola | WSH | SP | NA |
| May 17, 2026 | M. Mikola | WSH | SP | NA |
| May 22, 2026 | M. Mikola | WSH | SP | NA |
| May 27, 2026 | M. Mikola | WSH | SP | NA |
| June 02, 2026 | M. Mikola | WSH | SP | NA |
| June 08, 2026 | M. Mikola | WSH | SP | NA |
| June 14, 2026 | M. Mikola | WSH | SP | NA |
| June 19, 2026 | M. Mikola | WSH | SP | NA |
| June 24, 2026 | M. Mikola | WSH | SP | NA |
| June 29, 2026 | M. Mikola | WSH | SP | NA |
| July 06, 2026 | M. Mikola | WSH | SP | NA |
| July 11, 2026 | M. Mikola | WSH | SP | NA |
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Stars of the week
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| March 28, 2026 | M. Mikola | WSH | SP | NA |
| April 03, 2026 | M. Mikola | WSH | SP | NA |
| April 08, 2026 | M. Mikola | WSH | SP | NA |
| April 14, 2026 | M. Mikola | WSH | SP | 3rd star |
| April 24, 2026 | M. Mikola | WSH | SP | 2nd star |
| April 30, 2026 | M. Mikola | WSH | SP | NA |
| May 06, 2026 | M. Mikola | WSH | SP | Rookie star |
| May 12, 2026 | M. Mikola | WSH | SP | 3rd star |
| May 17, 2026 | M. Mikola | WSH | SP | NA |
| May 27, 2026 | M. Mikola | WSH | SP | 2nd star |
| June 02, 2026 | M. Mikola | WSH | SP | NA |
| June 14, 2026 | M. Mikola | WSH | SP | 3rd star |
| June 19, 2026 | M. Mikola | WSH | SP | NA |
| June 24, 2026 | M. Mikola | WSH | SP | 3rd star |
| June 29, 2026 | M. Mikola | WSH | SP | NA |
| July 06, 2026 | M. Mikola | WSH | SP | NA |
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