Jose Zerpa
Seattle Mariners (A)P
Age: 21
Bats/Throws: R/R
6'2" / 180
DOB: 10/19/2004
(21 years, 10 months, 23 days)
P
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Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | Age | W | L | SV | G | GS | IP | divider | K/9 | BB/9 | HR/9 | BABIP | LOB% | GB% | HR/FB | divider | vFA | divider | ERA | xERA | FIP | xFIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SEA | DSL | 18 | 3 | 2 | 1 | 12 | 0 | 23.1 | 13.11 | 3.09 | 0.00 | .296 | 62.5% | 48.1% | 0.0% | 2.70 | 2.09 | 2.65 | ||||||
| 2024 | SEA | CPX | 19 | 1 | 1 | 1 | 10 | 0 | 10.2 | 7.59 | 5.91 | 0.84 | .387 | 71.4% | 25.0% | 7.1% | 4.22 | 6.48 | 6.49 | ||||||
| 2025 | SEA | CPX | 20 | 0 | 0 | 1 | 3 | 0 | 3.2 | 9.82 | 9.82 | 0.00 | .143 | 100.0% | 28.6% | 0.0% | 0.00 | 5.59 | 6.81 | ||||||
| 2025 | SEA | A | 20 | 1 | 0 | 2 | 27 | 0 | 48.1 | 7.26 | 1.68 | 0.37 | .324 | 69.4% | 34.5% | 3.1% | 3.35 | 3.49 | 4.10 | ||||||
| 2025 | SEA | A+ | 20 | 0 | 0 | 0 | 4 | 0 | 6.1 | 4.26 | 2.84 | 0.00 | .211 | 33.3% | 52.6% | 0.0% | 5.68 | 3.45 | 4.78 | ||||||
| 2025 | SEA | MiLB | 20 | 1 | 0 | 3 | 34 | 0 | 58.1 | 7.10 | 2.31 | 0.31 | .305 | 68.5% | 36.2% | 2.7% | 3.39 | 3.61 | 4.34 | ||||||
| 2026 | Steamer | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.87 | 4.82 | 1.48 | .286 | 70.6% | 38.6% | 5.37 | 5.69 | 5.67 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.6 | 4.43 | 3.58 | 1.53 | .268 | 62.1% | 5.57 | 5.70 | 0.0 | ||||||||
| 2026 | SEA | A | 21 | 4 | 1 | 0 | 10 | 0 | 23.0 | 9.00 | 1.57 | 0.78 | .304 | 62.0% | 30.4% | 6.1% | 4.70 | 4.06 | 5.28 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.60 | 4.68 | 1.64 | .293 | 69.3% | 5.80 | 5.91 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 0 | 1.9 | 4.97 | 3.47 | 1.61 | .272 | 62.5% | 5.60 | 5.66 | 0.0 |
| Season | Team | Level | Age | W | L | SV | G | GS | IP | divider | K/9 | BB/9 | HR/9 | BABIP | LOB% | GB% | HR/FB | divider | vFA | divider | ERA | xERA | FIP | xFIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SEA | DSL | 18 | 3 | 2 | 1 | 12 | 0 | 23.1 | 13.11 | 3.09 | 0.00 | .296 | 62.5% | 48.1% | 0.0% | 2.70 | 2.09 | 2.65 | ||||||
| 2024 | SEA | CPX | 19 | 1 | 1 | 1 | 10 | 0 | 10.2 | 7.59 | 5.91 | 0.84 | .387 | 71.4% | 25.0% | 7.1% | 4.22 | 6.48 | 6.49 | ||||||
| 2025 | SEA | CPX | 20 | 0 | 0 | 1 | 3 | 0 | 3.2 | 9.82 | 9.82 | 0.00 | .143 | 100.0% | 28.6% | 0.0% | 0.00 | 5.59 | 6.81 | ||||||
| 2025 | SEA | A | 20 | 1 | 0 | 2 | 27 | 0 | 48.1 | 7.26 | 1.68 | 0.37 | .324 | 69.4% | 34.5% | 3.1% | 3.35 | 3.49 | 4.10 | ||||||
| 2025 | SEA | A+ | 20 | 0 | 0 | 0 | 4 | 0 | 6.1 | 4.26 | 2.84 | 0.00 | .211 | 33.3% | 52.6% | 0.0% | 5.68 | 3.45 | 4.78 | ||||||
| 2025 | SEA | MiLB | 20 | 1 | 0 | 3 | 34 | 0 | 58.1 | 7.10 | 2.31 | 0.31 | .305 | 68.5% | 36.2% | 2.7% | 3.39 | 3.61 | 4.34 | ||||||
| 2026 | Steamer | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.87 | 4.82 | 1.48 | .286 | 70.6% | 38.6% | 5.37 | 5.69 | 5.67 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 0 | 1.6 | 4.43 | 3.58 | 1.53 | .268 | 62.1% | 5.57 | 5.70 | 0.0 | ||||||||
| 2026 | SEA | A | 21 | 4 | 1 | 0 | 10 | 0 | 23.0 | 9.00 | 1.57 | 0.78 | .304 | 62.0% | 30.4% | 6.1% | 4.70 | 4.06 | 5.28 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 1 | 0 | 1.0 | 5.60 | 4.68 | 1.64 | .293 | 69.3% | 5.80 | 5.91 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 0 | 1.9 | 4.97 | 3.47 | 1.61 | .272 | 62.5% | 5.60 | 5.66 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | W | L | ERA | G | GS | QS | CG | ShO | SV | HLD | BS | IP | TBF | H | R | ER | HR | BB | IBB | HBP | WP | BK | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SEA | DSL | 3 | 2 | 2.70 | 12 | 0 | 0 | 0 | 1 | 1 | 1 | 23.1 | 96 | 16 | 9 | 7 | 0 | 8 | 0 | 0 | 2 | 1 | 34 | |
| 2024 | SEA | CPX | 1 | 1 | 4.22 | 10 | 0 | 0 | 0 | 1 | 1 | 2 | 10.2 | 49 | 13 | 7 | 5 | 1 | 7 | 1 | 1 | 2 | 0 | 9 | |
| 2025 | SEA | CPX | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 3.2 | 15 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | |
| 2025 | SEA | A | 1 | 0 | 3.35 | 27 | 0 | 0 | 0 | 2 | 3 | 2 | 48.1 | 198 | 50 | 20 | 18 | 2 | 9 | 0 | 0 | 4 | 0 | 39 | |
| 2025 | SEA | A+ | 0 | 0 | 5.68 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 24 | 4 | 4 | 4 | 0 | 2 | 0 | 0 | 1 | 0 | 3 | |
| 2025 | SEA | MiLB | 1 | 0 | 3.39 | 34 | 0 | 0 | 0 | 3 | 3 | 2 | 58.1 | 237 | 55 | 24 | 22 | 2 | 15 | 0 | 0 | 5 | 0 | 46 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.37 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.57 | 1 | 0 | 0 | 0 | 0 | 1.6 | 7 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | SEA | A | 4 | 1 | 4.70 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 23.0 | 98 | 23 | 12 | 12 | 2 | 4 | 0 | 0 | 6 | 0 | 23 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.80 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.60 | 1 | 0 | 0 | 0 | 0 | 1.9 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
| Season | Team | Level | W | L | ERA | G | GS | QS | CG | ShO | SV | HLD | BS | IP | TBF | H | R | ER | HR | BB | IBB | HBP | WP | BK | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SEA | DSL | 3 | 2 | 2.70 | 12 | 0 | 0 | 0 | 1 | 1 | 1 | 23.1 | 96 | 16 | 9 | 7 | 0 | 8 | 0 | 0 | 2 | 1 | 34 | |
| 2024 | SEA | CPX | 1 | 1 | 4.22 | 10 | 0 | 0 | 0 | 1 | 1 | 2 | 10.2 | 49 | 13 | 7 | 5 | 1 | 7 | 1 | 1 | 2 | 0 | 9 | |
| 2025 | SEA | CPX | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 3.2 | 15 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | |
| 2025 | SEA | A | 1 | 0 | 3.35 | 27 | 0 | 0 | 0 | 2 | 3 | 2 | 48.1 | 198 | 50 | 20 | 18 | 2 | 9 | 0 | 0 | 4 | 0 | 39 | |
| 2025 | SEA | A+ | 0 | 0 | 5.68 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 24 | 4 | 4 | 4 | 0 | 2 | 0 | 0 | 1 | 0 | 3 | |
| 2025 | SEA | MiLB | 1 | 0 | 3.39 | 34 | 0 | 0 | 0 | 3 | 3 | 2 | 58.1 | 237 | 55 | 24 | 22 | 2 | 15 | 0 | 0 | 5 | 0 | 46 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.37 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.57 | 1 | 0 | 0 | 0 | 0 | 1.6 | 7 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | SEA | A | 4 | 1 | 4.70 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 23.0 | 98 | 23 | 12 | 12 | 2 | 4 | 0 | 0 | 6 | 0 | 23 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.80 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.60 | 1 | 0 | 0 | 0 | 0 | 1.9 | 8 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages
| Season | Team | Level | K/9 | BB/9 | K/BB | HR/9 | divider | K% | BB% | K-BB% | divider | AVG | WHIP | BABIP | LOB% | divider | ERA- | FIP- | divider | FIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SEA | DSL | 13.11 | 3.09 | 4.25 | 0.00 | 35.4% | 8.3% | 27.1% | .182 | 1.03 | .296 | 62.5% | 58 | 43 | 2.09 | ||||
| 2024 | SEA | CPX | 7.59 | 5.91 | 1.29 | 0.84 | 18.4% | 14.3% | 4.1% | .317 | 1.88 | .387 | 71.4% | 82 | 122 | 6.48 | ||||
| 2025 | SEA | CPX | 9.82 | 9.82 | 1.00 | 0.00 | 26.7% | 26.7% | 0.0% | .091 | 1.36 | .143 | 100.0% | 0 | 114 | 5.59 | ||||
| 2025 | SEA | A | 7.26 | 1.68 | 4.33 | 0.37 | 19.7% | 4.5% | 15.2% | .265 | 1.22 | .324 | 69.4% | 76 | 81 | 3.49 | ||||
| 2025 | SEA | A+ | 4.26 | 2.84 | 1.50 | 0.00 | 12.5% | 8.3% | 4.2% | .182 | 0.95 | .211 | 33.3% | 120 | 74 | 3.45 | ||||
| 2025 | SEA | MiLB | 7.10 | 2.31 | 3.07 | 0.31 | 19.4% | 6.3% | 13.1% | .248 | 1.20 | .305 | 68.5% | 76 | 82 | 3.61 | ||||
| 2026 | Steamer | PROJ | 5.87 | 4.82 | 1.22 | 1.48 | 14.3% | 11.7% | 2.5% | .269 | 1.61 | .286 | 70.6% | 5.69 | ||||||
| 2026 | OOPSY | PROJ | 4.43 | 3.58 | 1.24 | 1.53 | 11.7% | 9.5% | 2.3% | .266 | 1.39 | .268 | 62.1% | 5.70 | ||||||
| 2026 | SEA | A | 9.00 | 1.57 | 5.75 | 0.78 | 23.5% | 4.1% | 19.4% | .245 | 1.17 | .304 | 62.0% | 85 | 76 | 4.06 | ||||
| 2026 | Steamer | ROS | 5.60 | 4.68 | 1.20 | 1.64 | 13.5% | 11.3% | 2.2% | .280 | 1.65 | .293 | 69.3% | 5.91 | ||||||
| 2026 | OOPSY | ROS | 4.97 | 3.47 | 1.43 | 1.61 | 13.1% | 9.1% | 3.9% | .267 | 1.39 | .272 | 62.5% | 5.66 |
| Season | Team | Level | K/9 | BB/9 | K/BB | HR/9 | divider | K% | BB% | K-BB% | divider | AVG | WHIP | BABIP | LOB% | divider | ERA- | FIP- | divider | FIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | SEA | DSL | 13.11 | 3.09 | 4.25 | 0.00 | 35.4% | 8.3% | 27.1% | .182 | 1.03 | .296 | 62.5% | 58 | 43 | 2.09 | ||||
| 2024 | SEA | CPX | 7.59 | 5.91 | 1.29 | 0.84 | 18.4% | 14.3% | 4.1% | .317 | 1.88 | .387 | 71.4% | 82 | 122 | 6.48 | ||||
| 2025 | SEA | CPX | 9.82 | 9.82 | 1.00 | 0.00 | 26.7% | 26.7% | 0.0% | .091 | 1.36 | .143 | 100.0% | 0 | 114 | 5.59 | ||||
| 2025 | SEA | A | 7.26 | 1.68 | 4.33 | 0.37 | 19.7% | 4.5% | 15.2% | .265 | 1.22 | .324 | 69.4% | 76 | 81 | 3.49 | ||||
| 2025 | SEA | A+ | 4.26 | 2.84 | 1.50 | 0.00 | 12.5% | 8.3% | 4.2% | .182 | 0.95 | .211 | 33.3% | 120 | 74 | 3.45 | ||||
| 2025 | SEA | MiLB | 7.10 | 2.31 | 3.07 | 0.31 | 19.4% | 6.3% | 13.1% | .248 | 1.20 | .305 | 68.5% | 76 | 82 | 3.61 | ||||
| 2026 | Steamer | PROJ | 5.87 | 4.82 | 1.22 | 1.48 | 14.3% | 11.7% | 2.5% | .269 | 1.61 | .286 | 70.6% | 5.69 | ||||||
| 2026 | OOPSY | PROJ | 4.43 | 3.58 | 1.24 | 1.53 | 11.7% | 9.5% | 2.3% | .266 | 1.39 | .268 | 62.1% | 5.70 | ||||||
| 2026 | SEA | A | 9.00 | 1.57 | 5.75 | 0.78 | 23.5% | 4.1% | 19.4% | .245 | 1.17 | .304 | 62.0% | 85 | 76 | 4.06 | ||||
| 2026 | Steamer | ROS | 5.60 | 4.68 | 1.20 | 1.64 | 13.5% | 11.3% | 2.2% | .280 | 1.65 | .293 | 69.3% | 5.91 | ||||||
| 2026 | OOPSY | ROS | 4.97 | 3.47 | 1.43 | 1.61 | 13.1% | 9.1% | 3.9% | .267 | 1.39 | .272 | 62.5% | 5.66 |
