P | Bats/Throws: L/L | 6' 0" 206 lbs | Age: 27
Draft: 2021 | Rd. 6, No. 176, San Francisco Giants | Ohio State
W L ERA G GS SV IP SO WHIP
2026 0 1 5.96 7 6 0 25.2 17 1.68
Career Minors 20 29 4.25 112 81 3 444.2 430 1.48
G W-L ERA IP SO WHIP
2026 7 0-1 5.96 25.2 17 1.68
Career Minors 112 20-29 4.25 444.2 430 1.48
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Standard Minor League Pitching Statistics

SeasonTmLGLWLERAGGSSVIPHRERHRBBSOWHIP
2021 ACL Giants Orange ACL ROK 0 0 7.20 4 4 0 5.0 5 4 4 1 0 10 1.00
2022 San Jose Giants CAL A 9 3 4.06 26 9 1 95.1 81 57 43 8 51 120 1.38
2023 Eugene Emeralds NWL A+ 2 9 5.87 28 17 2 89.0 101 70 58 9 58 78 1.79
2024 2 Teams Minors 4 4 3.01 19 17 0 95.2 92 45 32 4 27 83 1.24
2024 Eugene Emeralds NWL A+ 2 3 3.86 13 12 0 63.0 63 37 27 2 20 57 1.32
2024 Richmond Flying Squirrels EAS AA 2 1 1.38 6 5 0 32.2 29 8 5 2 7 26 1.10
2025 2 Teams Minors 5 12 3.76 28 28 0 134.0 132 61 56 9 67 122 1.49
2025 Richmond Flying Squirrels EAS AA 3 8 3.52 19 19 0 92.0 89 38 36 7 42 84 1.42
2025 Sacramento River Cats PCL AAA 2 4 4.29 9 9 0 42.0 43 23 20 2 25 38 1.62
2026 Sacramento River Cats PCL AAA 0 1 5.96 7 6 0 25.2 28 17 17 2 15 17 1.68
ACL Giants Orange ACL ROK 0 0 7.20 4 4 0 5.0 5 4 4 1 0 10 1.00
Sacramento River Cats PCL AAA 2 5 4.92 16 15 0 67.2 71 40 37 4 40 55 1.64
Richmond Flying Squirrels EAS AA 5 9 2.96 25 24 0 124.2 118 46 41 9 49 110 1.34
Eugene Emeralds NWL A+ 4 12 5.03 41 29 2 152.0 164 107 85 11 78 135 1.59
San Jose Giants CAL A 9 3 4.06 26 9 1 95.1 81 57 43 8 51 120 1.38

Transactions

Team Date Transaction
05/30/2026 Sacramento River Cats activated LHP Seth Lonsway from the 7-day injured list.
05/14/2026 Sacramento River Cats placed LHP Seth Lonsway on the 7-day injured list.
03/13/2026 LHP Seth Lonsway assigned to San Francisco Giants.
07/29/2025 LHP Seth Lonsway assigned to Sacramento River Cats from Richmond Flying Squirrels.
02/22/2025 LHP Seth Lonsway assigned to San Francisco Giants.
09/24/2024 Richmond Flying Squirrels activated LHP Seth Lonsway from the 7-day injured list.
08/06/2024 Richmond Flying Squirrels placed LHP Seth Lonsway on the 7-day injured list.
06/25/2024 LHP Seth Lonsway assigned to Richmond Flying Squirrels from Eugene Emeralds.
09/22/2023 Scottsdale Scorpions activated LHP Seth Lonsway.
04/04/2023 LHP Seth Lonsway assigned to Eugene Emeralds.
04/05/2022 LHP Seth Lonsway assigned to San Jose Giants from ACL Giants Orange.
04/05/2022 San Jose Giants activated LHP Seth Lonsway.
08/30/2021 LHP Seth Lonsway assigned to ACL Giants Orange.
07/23/2021 San Francisco Giants signed LHP Seth Lonsway.