Ben Peterson
San Francisco Giants (AA)P
Age: 25
Bats/Throws: R/R
6'3" / 217
DOB: 8/18/2001
(25 years, 10 days)
P
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Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFG | A | 23 | 1 | 1 | 7 | 18 | 0 | 23.2 | 9.51 | 2.28 | 0.76 | .266 | 63.5% | 52.3% | 10.5% | 4.18 | 4.13 | 3.73 | ||||||
| 2025 | SFG | A+ | 23 | 3 | 1 | 3 | 22 | 0 | 27.0 | 9.00 | 4.00 | 1.00 | .325 | 71.4% | 45.7% | 12.5% | 4.33 | 5.12 | 4.92 | ||||||
| 2025 | SFG | MiLB | 23 | 4 | 2 | 10 | 40 | 0 | 50.2 | 9.24 | 3.20 | 0.89 | .299 | 68.6% | 48.6% | 11.6% | 4.26 | 4.65 | 4.36 | ||||||
| 2026 | SFG | ST | 24 | 0 | 0 | 0 | 2 | 0 | 1.2 | 5.40 | 5.40 | 0.00 | .200 | 100.0% | 100.0% | 0.0% | 0.00 | 4.25 | 4.25 | ||||||
| 2026 | Steamer | PROJ | 24 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.08 | 4.86 | 1.19 | .301 | 69.7% | 44.9% | 5.22 | 5.29 | 5.34 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 0 | 1.3 | 6.57 | 3.94 | 1.17 | .295 | 69.9% | 4.82 | 4.84 | 0.0 | ||||||||
| 2026 | SFG | CPX | 24 | 0 | 0 | 0 | 1 | 1 | 1.0 | 9.00 | 0.00 | 0.00 | .000 | 100.0% | 50.0% | 0.0% | 0.00 | 2.90 | 4.39 | ||||||
| 2026 | SFG | A+ | 24 | 2 | 0 | 4 | 9 | 0 | 13.0 | 13.15 | 2.77 | 0.69 | .370 | 95.6% | 50.0% | 25.0% | 1.38 | 2.69 | 2.27 | ||||||
| 2026 | SFG | AA | 24 | 2 | 1 | 0 | 16 | 0 | 20.2 | 14.81 | 5.23 | 2.18 | .357 | 80.8% | 41.3% | 31.3% | 4.79 | 5.31 | 3.60 | ||||||
| 2026 | SFG | MiLB | 24 | 4 | 1 | 4 | 26 | 1 | 34.2 | 14.02 | 4.15 | 1.56 | .352 | 85.9% | 44.7% | 28.6% | 3.38 | 4.26 | 3.12 | ||||||
| 2026 | Steamer | ROS | 24 | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.62 | 4.10 | 0.95 | .294 | 72.4% | 4.11 | 4.29 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 0 | 1.3 | 8.37 | 4.05 | 1.11 | .294 | 71.8% | 4.33 | 4.39 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFG | A | 23 | 1 | 1 | 7 | 18 | 0 | 23.2 | 9.51 | 2.28 | 0.76 | .266 | 63.5% | 52.3% | 10.5% | 4.18 | 4.13 | 3.73 | ||||||
| 2025 | SFG | A+ | 23 | 3 | 1 | 3 | 22 | 0 | 27.0 | 9.00 | 4.00 | 1.00 | .325 | 71.4% | 45.7% | 12.5% | 4.33 | 5.12 | 4.92 | ||||||
| 2025 | SFG | MiLB | 23 | 4 | 2 | 10 | 40 | 0 | 50.2 | 9.24 | 3.20 | 0.89 | .299 | 68.6% | 48.6% | 11.6% | 4.26 | 4.65 | 4.36 | ||||||
| 2026 | SFG | ST | 24 | 0 | 0 | 0 | 2 | 0 | 1.2 | 5.40 | 5.40 | 0.00 | .200 | 100.0% | 100.0% | 0.0% | 0.00 | 4.25 | 4.25 | ||||||
| 2026 | Steamer | PROJ | 24 | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.08 | 4.86 | 1.19 | .301 | 69.7% | 44.9% | 5.22 | 5.29 | 5.34 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 0 | 1.3 | 6.57 | 3.94 | 1.17 | .295 | 69.9% | 4.82 | 4.84 | 0.0 | ||||||||
| 2026 | SFG | CPX | 24 | 0 | 0 | 0 | 1 | 1 | 1.0 | 9.00 | 0.00 | 0.00 | .000 | 100.0% | 50.0% | 0.0% | 0.00 | 2.90 | 4.39 | ||||||
| 2026 | SFG | A+ | 24 | 2 | 0 | 4 | 9 | 0 | 13.0 | 13.15 | 2.77 | 0.69 | .370 | 95.6% | 50.0% | 25.0% | 1.38 | 2.69 | 2.27 | ||||||
| 2026 | SFG | AA | 24 | 2 | 1 | 0 | 16 | 0 | 20.2 | 14.81 | 5.23 | 2.18 | .357 | 80.8% | 41.3% | 31.3% | 4.79 | 5.31 | 3.60 | ||||||
| 2026 | SFG | MiLB | 24 | 4 | 1 | 4 | 26 | 1 | 34.2 | 14.02 | 4.15 | 1.56 | .352 | 85.9% | 44.7% | 28.6% | 3.38 | 4.26 | 3.12 | ||||||
| 2026 | Steamer | ROS | 24 | 0 | 0 | 0 | 1 | 0 | 1.0 | 7.62 | 4.10 | 0.95 | .294 | 72.4% | 4.11 | 4.29 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 0 | 1.3 | 8.37 | 4.05 | 1.11 | .294 | 71.8% | 4.33 | 4.39 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFG | A | 1 | 1 | 4.18 | 18 | 0 | 0 | 0 | 7 | 0 | 1 | 23.2 | 100 | 19 | 12 | 11 | 2 | 6 | 0 | 3 | 3 | 0 | 25 | |
| 2025 | SFG | A+ | 3 | 1 | 4.33 | 22 | 0 | 0 | 0 | 3 | 1 | 4 | 27.0 | 130 | 29 | 17 | 13 | 3 | 12 | 1 | 8 | 10 | 0 | 27 | |
| 2025 | SFG | MiLB | 4 | 2 | 4.26 | 40 | 0 | 0 | 0 | 10 | 1 | 5 | 50.2 | 230 | 48 | 29 | 24 | 5 | 18 | 1 | 11 | 13 | 0 | 52 | |
| 2026 | SFG | ST | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1.2 | 7 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 4.82 | 1 | 0 | 0 | 0 | 0 | 1.3 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | SFG | CPX | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| 2026 | SFG | A+ | 2 | 0 | 1.38 | 9 | 0 | 0 | 0 | 4 | 0 | 1 | 13.0 | 51 | 11 | 2 | 2 | 1 | 4 | 0 | 0 | 1 | 1 | 19 | |
| 2026 | SFG | AA | 2 | 1 | 4.79 | 16 | 0 | 0 | 0 | 0 | 0 | 3 | 20.2 | 94 | 20 | 12 | 11 | 5 | 12 | 0 | 1 | 5 | 0 | 34 | |
| 2026 | SFG | MiLB | 4 | 1 | 3.38 | 26 | 1 | 0 | 0 | 4 | 0 | 4 | 34.2 | 148 | 31 | 14 | 13 | 6 | 16 | 0 | 1 | 6 | 1 | 54 | |
| 2026 | Steamer | ROS | 0 | 0 | 4.11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 4.33 | 1 | 0 | 0 | 0 | 0 | 1.3 | 6 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFG | A | 1 | 1 | 4.18 | 18 | 0 | 0 | 0 | 7 | 0 | 1 | 23.2 | 100 | 19 | 12 | 11 | 2 | 6 | 0 | 3 | 3 | 0 | 25 | |
| 2025 | SFG | A+ | 3 | 1 | 4.33 | 22 | 0 | 0 | 0 | 3 | 1 | 4 | 27.0 | 130 | 29 | 17 | 13 | 3 | 12 | 1 | 8 | 10 | 0 | 27 | |
| 2025 | SFG | MiLB | 4 | 2 | 4.26 | 40 | 0 | 0 | 0 | 10 | 1 | 5 | 50.2 | 230 | 48 | 29 | 24 | 5 | 18 | 1 | 11 | 13 | 0 | 52 | |
| 2026 | SFG | ST | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1.2 | 7 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 4.82 | 1 | 0 | 0 | 0 | 0 | 1.3 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||||
| 2026 | SFG | CPX | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| 2026 | SFG | A+ | 2 | 0 | 1.38 | 9 | 0 | 0 | 0 | 4 | 0 | 1 | 13.0 | 51 | 11 | 2 | 2 | 1 | 4 | 0 | 0 | 1 | 1 | 19 | |
| 2026 | SFG | AA | 2 | 1 | 4.79 | 16 | 0 | 0 | 0 | 0 | 0 | 3 | 20.2 | 94 | 20 | 12 | 11 | 5 | 12 | 0 | 1 | 5 | 0 | 34 | |
| 2026 | SFG | MiLB | 4 | 1 | 3.38 | 26 | 1 | 0 | 0 | 4 | 0 | 4 | 34.2 | 148 | 31 | 14 | 13 | 6 | 16 | 0 | 1 | 6 | 1 | 54 | |
| 2026 | Steamer | ROS | 0 | 0 | 4.11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 4.33 | 1 | 0 | 0 | 0 | 0 | 1.3 | 6 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAverages
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFG | A | 9.51 | 2.28 | 4.17 | 0.76 | 25.0% | 6.0% | 19.0% | .209 | 1.06 | .266 | 63.5% | 90 | 88 | 4.13 | ||||
| 2025 | SFG | A+ | 9.00 | 4.00 | 2.25 | 1.00 | 20.8% | 9.2% | 11.5% | .264 | 1.52 | .325 | 71.4% | 100 | 117 | 5.12 | ||||
| 2025 | SFG | MiLB | 9.24 | 3.20 | 2.89 | 0.89 | 22.6% | 7.8% | 14.8% | .239 | 1.30 | .299 | 68.6% | 96 | 103 | 4.65 | ||||
| 2026 | SFG | ST | 5.40 | 5.40 | 1.00 | 0.00 | 14.3% | 14.3% | 0.0% | .167 | 1.20 | .200 | 100.0% | 0 | 88 | 4.25 | ||||
| 2026 | Steamer | PROJ | 6.08 | 4.86 | 1.25 | 1.19 | 14.7% | 11.8% | 3.0% | .273 | 1.63 | .301 | 69.7% | 5.29 | ||||||
| 2026 | OOPSY | PROJ | 6.57 | 3.94 | 1.67 | 1.17 | 15.9% | 9.6% | 6.4% | .265 | 1.52 | .295 | 69.9% | 4.84 | ||||||
| 2026 | SFG | CPX | 9.00 | 0.00 | 1.00 | 0.00 | 33.3% | 0.0% | 33.3% | .000 | 0.00 | .000 | 100.0% | 0 | 47 | 2.90 | ||||
| 2026 | SFG | A+ | 13.15 | 2.77 | 4.75 | 0.69 | 37.3% | 7.8% | 29.4% | .234 | 1.15 | .370 | 95.6% | 29 | 56 | 2.69 | ||||
| 2026 | SFG | AA | 14.81 | 5.23 | 2.83 | 2.18 | 36.2% | 12.8% | 23.4% | .247 | 1.55 | .357 | 80.8% | 103 | 114 | 5.31 | ||||
| 2026 | SFG | MiLB | 14.02 | 4.15 | 3.38 | 1.56 | 36.5% | 10.8% | 25.7% | .237 | 1.36 | .352 | 85.9% | 72 | 90 | 4.26 | ||||
| 2026 | Steamer | ROS | 7.62 | 4.10 | 1.86 | 0.95 | 19.4% | 10.5% | 9.0% | .248 | 1.41 | .294 | 72.4% | 4.29 | ||||||
| 2026 | OOPSY | ROS | 8.37 | 4.05 | 2.07 | 1.11 | 20.9% | 10.1% | 10.8% | .247 | 1.42 | .294 | 71.8% | 4.39 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFG | A | 9.51 | 2.28 | 4.17 | 0.76 | 25.0% | 6.0% | 19.0% | .209 | 1.06 | .266 | 63.5% | 90 | 88 | 4.13 | ||||
| 2025 | SFG | A+ | 9.00 | 4.00 | 2.25 | 1.00 | 20.8% | 9.2% | 11.5% | .264 | 1.52 | .325 | 71.4% | 100 | 117 | 5.12 | ||||
| 2025 | SFG | MiLB | 9.24 | 3.20 | 2.89 | 0.89 | 22.6% | 7.8% | 14.8% | .239 | 1.30 | .299 | 68.6% | 96 | 103 | 4.65 | ||||
| 2026 | SFG | ST | 5.40 | 5.40 | 1.00 | 0.00 | 14.3% | 14.3% | 0.0% | .167 | 1.20 | .200 | 100.0% | 0 | 88 | 4.25 | ||||
| 2026 | Steamer | PROJ | 6.08 | 4.86 | 1.25 | 1.19 | 14.7% | 11.8% | 3.0% | .273 | 1.63 | .301 | 69.7% | 5.29 | ||||||
| 2026 | OOPSY | PROJ | 6.57 | 3.94 | 1.67 | 1.17 | 15.9% | 9.6% | 6.4% | .265 | 1.52 | .295 | 69.9% | 4.84 | ||||||
| 2026 | SFG | CPX | 9.00 | 0.00 | 1.00 | 0.00 | 33.3% | 0.0% | 33.3% | .000 | 0.00 | .000 | 100.0% | 0 | 47 | 2.90 | ||||
| 2026 | SFG | A+ | 13.15 | 2.77 | 4.75 | 0.69 | 37.3% | 7.8% | 29.4% | .234 | 1.15 | .370 | 95.6% | 29 | 56 | 2.69 | ||||
| 2026 | SFG | AA | 14.81 | 5.23 | 2.83 | 2.18 | 36.2% | 12.8% | 23.4% | .247 | 1.55 | .357 | 80.8% | 103 | 114 | 5.31 | ||||
| 2026 | SFG | MiLB | 14.02 | 4.15 | 3.38 | 1.56 | 36.5% | 10.8% | 25.7% | .237 | 1.36 | .352 | 85.9% | 72 | 90 | 4.26 | ||||
| 2026 | Steamer | ROS | 7.62 | 4.10 | 1.86 | 0.95 | 19.4% | 10.5% | 9.0% | .248 | 1.41 | .294 | 72.4% | 4.29 | ||||||
| 2026 | OOPSY | ROS | 8.37 | 4.05 | 2.07 | 1.11 | 20.9% | 10.1% | 10.8% | .247 | 1.42 | .294 | 71.8% | 4.39 |

