P | Bats/Throws: S/R | 6' 2" 170 lbs | Age: 26
W L ERA G GS SV IP SO WHIP
2025 0 0 7.88 8 0 1 8 4 2.25
Career Minors 1 2 4.67 44 0 2 44.1 47 1.56
G W-L ERA IP SO WHIP
2025 8 0-0 7.88 8 4 2.25
Career Minors 44 1-2 4.67 44.1 47 1.56
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Standard Minor League Pitching Statistics

SeasonTmLGLWLERAGGSSVIPHRERHRBBSOWHIP
2022 2 Teams Minors 0 0 0.00 2 0 0 2.0 0 0 0 0 1 3 0.50
2022 FCL Orioles FCL ROK 0 0 0.00 1 0 0 1.0 0 0 0 0 0 2 0.00
2022 Delmarva Shorebirds CAR A 0 0 0.00 1 0 0 1.0 0 0 0 0 1 1 1.00
2023 2 Teams Minors 0 1 4.76 15 0 0 11.1 7 8 6 0 4 13 0.97
2023 FCL Orioles FCL ROK 0 0 0.00 1 0 0 1.0 1 1 0 0 1 2 2.00
2023 Aberdeen IronBirds SAL A+ 0 1 5.23 14 0 0 10.1 6 7 6 0 3 11 0.87
2024 3 Teams Minors 1 1 3.91 19 0 1 23.0 24 13 10 0 15 27 1.70
2024 FCL Orioles FCL ROK 0 0 0.00 1 0 0 2.0 1 0 0 0 0 1 0.50
2024 Delmarva Shorebirds CAR A 1 1 5.00 7 0 1 9.0 10 5 5 0 4 16 1.56
2024 Aberdeen IronBirds SAL A+ 0 0 3.75 11 0 0 12.0 13 8 5 0 11 10 2.00
2025 Aberdeen IronBirds SAL A+ 0 0 7.88 8 0 1 8.0 12 8 7 1 6 4 2.25
FCL Orioles FCL ROK 0 0 0.00 3 0 0 4.0 2 1 0 0 1 5 0.75
Aberdeen IronBirds MLBDL A+ 0 1 5.34 33 0 1 30.1 31 23 18 1 20 25 1.68
Delmarva Shorebirds CAR A 1 1 4.50 8 0 1 10.0 10 5 5 0 5 17 1.50

Transactions

Team Date Transaction
05/01/2026 Frederick Keys placed RHP Hayden Nierman on the full-season injured list.
03/26/2026 Frederick Keys placed RHP Hayden Nierman on the 60-day injured list.
12/15/2025 Frederick Keys activated RHP Hayden Nierman.
12/15/2025 Frederick Keys placed RHP Hayden Nierman on the 60-day injured list.
11/06/2025 Aberdeen IronBirds activated RHP Hayden Nierman from the full-season injured list.
06/10/2025 Aberdeen IronBirds placed RHP Hayden Nierman on the full-season injured list.
06/10/2025 Aberdeen IronBirds placed RHP Hayden Nierman on the full-season injured list.
05/14/2025 Aberdeen IronBirds placed RHP Hayden Nierman on the 7-day injured list.
03/16/2025 RHP Hayden Nierman assigned to Baltimore Orioles.
08/04/2024 Aberdeen IronBirds activated RHP Hayden Nierman from the 7-day injured list.
07/19/2024 Aberdeen IronBirds sent RHP Hayden Nierman on a rehab assignment to Delmarva Shorebirds.
07/16/2024 Aberdeen IronBirds sent RHP Hayden Nierman on a rehab assignment to Delmarva Shorebirds.
07/16/2024 Aberdeen IronBirds sent RHP Hayden Nierman on a rehab assignment to FCL Orioles.
07/05/2024 Aberdeen IronBirds sent RHP Hayden Nierman on a rehab assignment to Delmarva Shorebirds.
04/19/2024 Aberdeen IronBirds placed RHP Hayden Nierman on the 7-day injured list.
09/21/2023 Aberdeen IronBirds activated RHP Hayden Nierman from the 7-day injured list.
08/17/2023 Aberdeen IronBirds placed RHP Hayden Nierman on the 7-day injured list.
07/18/2023 Aberdeen IronBirds activated RHP Hayden Nierman from the 7-day injured list.
07/14/2023 Aberdeen IronBirds sent RHP Hayden Nierman on a rehab assignment to FCL Orioles.
07/14/2023 sent RHP Hayden Nierman on a rehab assignment to FCL Orioles.
06/13/2023 Aberdeen IronBirds placed RHP Hayden Nierman on the 7-day injured list.
04/06/2023 RHP Hayden Nierman assigned to Aberdeen IronBirds.
09/06/2022 Delmarva Shorebirds activated RHP Hayden Nierman.
08/27/2022 Delmarva Shorebirds transferred RHP Hayden Nierman to the Development List.
08/23/2022 RHP Hayden Nierman assigned to Delmarva Shorebirds from FCL Orioles.
08/19/2022 RHP Hayden Nierman assigned to FCL Orioles.
08/02/2022 Baltimore Orioles signed free agent RHP Hayden Nierman to a minor league contract.