Keyner Martinez #37
San Jose Giants
Single-A Affiliate
- P
- B/T: R/R
- 6' 1"/209
- Age: 21
- Keyner Martinez
- Status: Active
- Born: 8/16/2004 in Maracay, Venezuela
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 8 | 2-2 | 5.85 | 32.1 | 50 | 1.39 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 48 | 8-5 | 3.28 | 134.1 | 170 | 1.28 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MiLB Stats | 2 | 2 | 5.85 | 8 | 8 | 0 | 32.1 | 50 | 1.39 |
| MiLB Career Stats | 8 | 5 | 3.28 | 48 | 19 | 5 | 134.1 | 170 | 1.28 |
- Next SJ Game: 5-27 @ FRE
More Keyner Martinez
Keyner Martinez K's the side to seal 10 K night
Keyner Martinez's seven strikeouts
The 2025 Rookie-level All-Stars and award winners
Keyner Martinez records nine punchouts
Keyner Martinez records 5th K in scoreless outing
Yankees' Jones, Angels' Guzman headline July's Minor League Players of the Month
Keyner Martinez's first K for Single-A San Jose
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
|
March 5, 2026 | RHP Keyner Martinez assigned to San Francisco Giants Prospects. |
|
July 31, 2025 | RHP Keyner Martinez assigned to San Jose Giants from ACL Giants. |
|
May 9, 2024 | RHP Keyner Martinez assigned to ACL Giants from DSL Giants Orange. |
|
July 6, 2023 | RHP Keyner Martinez assigned to DSL Giants Orange. |
|
|
July 3, 2023 | San Francisco Giants signed free agent RHP Keyner Martinez to a minor league contract. |
Awards
ACL Pitcher of the Month
| Month | ||
|---|---|---|
| 07/2025 | ACL Giants | ACL |
ACL Pitcher of the Year
| Year | ||
|---|---|---|
| 2025 | ACL Giants | ACL |
ACL Post-Season All-Star
| Year | ||
|---|---|---|
| 2025 | ACL Giants | ACL |
Baseball America Rookie All-Star
| Year | ||
|---|---|---|
| 2025 | ACL Giants | ACL |
CAL Pitcher of the Week
| Week | ||
|---|---|---|
| 04/26/2026 | San Jose Giants | CAL |