P | Bats/Throws: R/R | 6' 6" 190 lbs | Age: 25
Draft: 2019 | Rd. 5, No. 150, Philadelphia Phillies | San Joaquin Delta College
W L ERA G GS SV IP SO WHIP
2026 0 1 4.24 22 0 0 23.1 36 1.41
Career Minors 10 28 5.23 161 41 5 296 374 1.55
G W-L ERA IP SO WHIP
2026 22 0-1 4.24 23.1 36 1.41
Career Minors 161 10-28 5.23 296 374 1.55
  • ▾

Standard Minor League Pitching Statistics

SeasonTmLGLWLERAGGSSVIPHRERHRBBSOWHIP
2019 GCL Phillies West GCL ROK 0 0 5.40 4 2 0 8.1 8 5 5 0 3 10 1.32
2021 2 Teams Minors 0 7 8.89 13 7 0 26.1 31 32 26 5 22 38 2.01
2021 FCL Phillies FCL ROK 0 0 0.00 2 0 0 3.0 0 0 0 0 0 5 0.00
2021 Clearwater Threshers A SE A 0 7 10.03 11 7 0 23.1 31 32 26 5 22 33 2.27
2022 2 Teams Minors 1 6 4.67 17 12 0 54.0 40 28 28 10 30 73 1.30
2022 FCL Phillies FCL ROK 0 0 0.00 3 0 0 5.1 1 0 0 0 4 6 0.94
2022 Clearwater Threshers FSL A 1 6 5.18 14 12 0 48.2 39 28 28 10 26 67 1.34
2023 Jersey Shore BlueClaws SAL A+ 3 7 5.47 23 20 0 77.1 77 51 47 4 54 79 1.69
2024 2 Teams Minors 3 4 4.12 43 0 4 54.2 42 32 25 3 36 72 1.43
2024 Jersey Shore BlueClaws SAL A+ 3 3 4.10 41 0 4 52.2 38 28 24 3 36 68 1.41
2024 Reading Fightin Phils EAS AA 0 1 4.50 2 0 0 2.0 4 4 1 0 0 4 2.00
2025 Reading Fightin Phils EAS AA 3 3 5.19 39 0 1 52.0 50 40 30 6 34 66 1.62
2026 Tacoma Rainiers PCL AAA 0 1 4.24 22 0 0 23.1 18 11 11 4 15 36 1.41
Tacoma Rainiers PCL AAA 0 1 4.24 22 0 0 23.1 18 11 11 4 15 36 1.41
Reading Fightin Phils EAS AA 3 4 5.17 41 0 1 54.0 54 44 31 6 34 70 1.63
Jersey Shore BlueClaws SAL A+ 6 10 4.92 64 20 4 130.0 115 79 71 7 90 147 1.58
Clearwater Threshers FSL A 1 13 6.75 25 19 0 72.0 70 60 54 15 48 100 1.64

Transactions

Team Date Transaction
03/31/2026 RHP Gunner Mayer assigned to Tacoma Rainiers from Arkansas Travelers.
03/17/2026 RHP Gunner Mayer assigned to Seattle Mariners.
01/27/2026 Seattle Mariners signed free agent RHP Gunner Mayer to a minor league contract.
01/27/2026 RHP Gunner Mayer assigned to Arkansas Travelers.
11/06/2025 RHP Gunner Mayer elected free agency.
09/12/2025 Reading Fightin Phils activated RHP Gunner Mayer.
09/06/2025 Reading Fightin Phils transferred RHP Gunner Mayer to the Development List.
07/23/2025 Reading Fightin Phils activated RHP Gunner Mayer.
07/21/2025 Reading Fightin Phils transferred RHP Gunner Mayer to the Development List.
03/06/2025 activated RHP Gunner Mayer.
02/23/2025 RHP Gunner Mayer assigned to Philadelphia Phillies.
09/10/2024 RHP Gunner Mayer assigned to Reading Fightin Phils from Jersey Shore BlueClaws.
09/01/2023 Jersey Shore BlueClaws activated RHP Gunner Mayer.
08/25/2023 Jersey Shore BlueClaws transferred RHP Gunner Mayer to the Development List.
04/04/2023 RHP Gunner Mayer and assigned to Jersey Shore BlueClaws from Clearwater Threshers.
09/14/2022 RHP Gunner Mayer assigned to Phillies Organization.
07/09/2022 Clearwater Threshers activated RHP Gunner Mayer.
06/21/2022 Clearwater Threshers sent RHP Gunner Mayer on a rehab assignment to FCL Phillies.
05/08/2022 Clearwater Threshers placed RHP Gunner Mayer on the 7-day injured list retroactive to May 7, 2022.
09/30/2021 RHP Gunner Mayer and assigned to Phillies Organization.
09/30/2021 RHP Gunner Mayer assigned to Phillies Organization.
08/31/2021 Clearwater Threshers activated RHP Gunner Mayer.
08/23/2021 Clearwater Threshers sent RHP Gunner Mayer on a rehab assignment to FCL Phillies.
08/03/2021 Clearwater Threshers placed RHP Gunner Mayer on the 7-day injured list.
06/29/2021 Clearwater Threshers activated RHP Gunner Mayer from the 7-day injured list.
05/12/2021 Clearwater Threshers placed RHP Gunner Mayer on the 7-day injured list.
05/03/2021 RHP Gunner Mayer assigned to Clearwater Threshers from GCL Phillies West.
04/26/2021 Phillies Organization activated RHP Gunner Mayer. ABS test.
04/26/2021 Phillies Organization activated RHP Gunner Mayer. ABS test.
06/26/2019 RHP Gunner Mayer assigned to GCL Phillies West.
06/11/2019 Philadelphia Phillies signed RHP Gunner Mayer.