P | Bats/Throws: L/L | 6' 1" 180 lbs | Age: 23
W L ERA G GS SV IP SO WHIP
2025 2 4 3.70 35 3 1 87.2 67 1.28
Career Minors 16 7 2.95 106 24 6 308.1 286 1.13
G W-L ERA IP SO WHIP
2025 35 2-4 3.70 87.2 67 1.28
Career Minors 106 16-7 2.95 308.1 286 1.13

Standard Minor League Pitching Statistics

SeasonTmLGLWLERAGGSSVIPHRERHRBBSOWHIP
2021 DSL Royals Blue DSL ROK 1 0 3.92 9 3 0 20.2 18 9 9 1 3 25 1.02
2022 3 Teams Minors 2 1 2.25 14 5 1 44.0 40 13 11 4 9 50 1.11
2022 DSL KC Glass DSL ROK 0 0 0.53 5 5 0 17.0 13 2 1 0 3 22 0.94
2022 ACL Royals ACL ROK 1 0 0.00 1 0 0 4.0 2 0 0 0 0 8 0.50
2022 2 Teams ROK 1 0 0.43 6 5 0 21.0 15 2 1 0 3 30 0.86
2022 Columbia Fireflies CAR A 1 1 3.91 8 0 1 23.0 25 11 10 4 6 20 1.35
2023 Columbia Fireflies CAR A 5 2 3.15 23 6 2 71.1 65 32 25 1 12 66 1.08
2024 Quad Cities River Bandits MID A+ 6 0 2.13 25 7 2 84.2 70 20 20 2 19 78 1.05
2025 Northwest Arkansas Naturals TEX AA 2 4 3.70 35 3 1 87.2 77 37 36 7 35 67 1.28

Awards




Transactions

Team Date Transaction
10/15/2025 LHP Oscar Rayo assigned to Aguilas Cibaenas.
04/03/2025 LHP Oscar Rayo assigned to Northwest Arkansas Naturals.
03/10/2025 LHP Oscar Rayo assigned to Kansas City Royals.
04/03/2024 LHP Oscar Rayo assigned to Quad Cities River Bandits from Columbia Fireflies.
07/17/2022 LHP Oscar Rayo assigned to Columbia Fireflies from ACL Royals.
07/17/2022 Columbia Fireflies activated LHP Oscar Rayo.
07/07/2022 LHP Oscar Rayo assigned to ACL Royals from DSL KC Glass.
01/23/2021 DSL Royals1 activated LHP Oscar Rayo.
01/23/2021 Kansas City Royals signed free agent LHP Oscar Rayo to a minor league contract.
01/23/2021 LHP Oscar Rayo assigned to DSL Royals1.