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Keyner Martinez

MLB · Player

Keyner Martinez

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#37 P · B/T: R/R · 6' 1", 209 lb · Age 22 · Maracay, Venezuela · San Jose Giants (San Francisco Giants)

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Career Graph

Pitching

Season Team W L SV BS G GS IP IP/G SO K/9 BB/9 ERA
Single-A (A)
2025 SJ 2 1 0 0 6 3 22.0 3.7 30 12.3 4.5 2.86
2026 SJ 4
5
0
0
22
22
93.2
4.3
134
12.9
4.5
4.61
A Total 6 6 0 0 28 25 115.2 4.1 164 12.8 4.5 4.28
Rookie (Rk)
2024 A-GIA 1 1 3 2 19 0 32.2 1.7 23 6.3 4.4 3.03
2025 A-GIA 3 1 2 0 15 8 47.1 3.2 67 12.7 1.9 1.90
Rk Total 4 2 5 2 34 8 80.0 2.4 90 10.1 2.9 2.36
Minors Total 10 8 5 2 62 33 195.2 3.2 254 11.7 3.9 3.50

Fielding

Season Team Pos G Inn PO A E FPCT
Single-A (A)
2025 SJ P 6 22.0 3 4 0 1.000
2026 SJ P
22
93.2
3
13
3
.842
A Total — 28 115.2 6 17 3 .885
Rookie (Rk)
2024 A-GIA P 19 32.2 4 2 1 .857
2025 A-GIA P 15 47.1 7 3 2 .833
Rk Total — 34 80.0 11 5 3 .842
Minors Total — 62 195.2 17 22 6 .867

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