Keyner Martinez
#37PAge 21
Bats
Right
Throws
Right
Height
6' 1"
Weight
209 lb
Born
Aug 16, 2004
Birthplace
Maracay, Venezuela
MLB Service
—
Draft
International Signing (Venezuela)
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Current Contract
No multi-year contract breakdown available. Player may be pre-arbitration, a minor leaguer, or a free agent.
Minor League Pitching
Prospect — MLB debut pending. All stats below are from the minor leagues.
| Year | Lvl | Team | G | W-L | SV | IP | ERA | WHIP | K | WAR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | Rk | ACL Giants | 19 | 1-1 | 3 | 32.2 | 3.03 | 1.32 | 23 | — |
| 2025 | A | San Jose Giants | 6 | 2-1 | 0 | 22.0 | 2.86 | 1.45 | 30 | — |
| 2025 | Rk | ACL Giants | 15 | 3-1 | 2 | 47.1 | 1.90 | 1.10 | 67 | — |
| 2026 | A | San Jose Giants | 14 | 3-3 | 0 | 60.0 | 4.50 | 1.33 | 96 | — |