| W | L | ERA | G | GS | SV | IP | SO | WHIP | |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 2 | 4.03 | 15 | 1 | 0 | 22.1 | 21 | 2.06 |
| Career Minors | 4 | 3 | 4.41 | 32 | 1 | 2 | 49 | 48 | 1.82 |
| G | W-L | ERA | IP | SO | WHIP | |
|---|---|---|---|---|---|---|
| 2026 | 15 | 1-2 | 4.03 | 22.1 | 21 | 2.06 |
| Career Minors | 32 | 4-3 | 4.41 | 49 | 48 | 1.82 |
| Season | Tm | LG | L | W | L | ERA | G | GS | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 2 Teams | Minors | 3 | 1 | 4.73 | 17 | 0 | 2 | 26.2 | 28 | 21 | 14 | 1 | 15 | 27 | 1.61 | |
| 2025 | DSL Red Sox Red | DSL | ROK | 0 | 0 | 2.08 | 2 | 0 | 0 | 4.1 | 3 | 1 | 1 | 0 | 2 | 3 | 1.15 |
| 2025 | DSL Red Sox Blue | DSL | ROK | 3 | 1 | 5.24 | 15 | 0 | 2 | 22.1 | 25 | 20 | 13 | 1 | 13 | 24 | 1.70 |
| 2025 | 2 Teams | ROK | 3 | 1 | 4.73 | 17 | 0 | 2 | 26.2 | 28 | 21 | 14 | 1 | 15 | 27 | 1.61 | |
| 2026 | DSL Red Sox Red | DSL | ROK | 1 | 2 | 4.03 | 15 | 1 | 0 | 22.1 | 24 | 15 | 10 | 1 | 22 | 21 | 2.06 |
| 2 Teams | ROK | 4 | 3 | 4.41 | 32 | 1 | 2 | 49.0 | 52 | 36 | 24 | 2 | 37 | 48 | 1.82 | ||
| Career Minors | 2 Teams | 4 | 3 | 4.41 | 32 | 1 | 2 | 49.0 | 52 | 36 | 24 | 2 | 37 | 48 | 1.82 |
| Team | Date | Transaction |
|---|---|---|
|
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05/29/2026 | RHP Ranci Castillo assigned to DSL Red Sox Red from DSL Red Sox Blue. |
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06/12/2025 | RHP Ranci Castillo assigned to DSL Red Sox Blue from DSL Red Sox Red. |
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06/01/2025 | RHP Ranci Castillo assigned to DSL Red Sox Red from DSL Red Sox Blue. |
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05/15/2025 | RHP Ranci Castillo assigned to DSL Red Sox Blue. |
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05/13/2025 | Boston Red Sox signed free agent RHP Ranci Castillo to a minor league contract. |
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05/09/2024 | Red-Centro activated RHP Ranci Castillo. |