Grant Gambrell
Kansas City Royals (AA)P
Age: 28
Bats/Throws: L/R
6'4" / 225
DOB: 11/21/1997
(28 years, 9 months, 12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | KCR | R | 21 | 1 | 6 | 0 | 11 | 10 | 27.0 | 9.33 | 3.67 | 1.67 | .419 | 61.7% | 51.0% | 22.7% | 6.67 | 5.83 | 4.60 | ||||||
| 2021 | KCR | A+ | 23 | 2 | 1 | 0 | 5 | 5 | 22.2 | 7.15 | 2.78 | 1.99 | .180 | 68.8% | 50.0% | 25.0% | 4.37 | 5.98 | 4.36 | ||||||
| 2021 | BOS | A+ | 23 | 1 | 6 | 0 | 8 | 8 | 32.2 | 10.47 | 3.86 | 2.20 | .375 | 65.6% | 38.4% | 24.2% | 7.16 | 6.37 | 5.04 | ||||||
| 2021 | --- | MiLB | 23 | 3 | 7 | 0 | 13 | 13 | 55.1 | 9.11 | 3.42 | 2.11 | .299 | 66.4% | 42.9% | 24.5% | 6.02 | 6.21 | 4.76 | ||||||
| 2023 | BOS | A+ | 25 | 2 | 2 | 0 | 6 | 6 | 31.1 | 10.34 | 2.59 | 1.72 | .333 | 62.2% | 46.7% | 17.1% | 4.88 | 5.07 | 4.15 | ||||||
| 2023 | BOS | AA | 25 | 6 | 3 | 0 | 15 | 15 | 84.1 | 8.96 | 3.42 | 1.07 | .270 | 77.8% | 44.3% | 11.8% | 3.42 | 4.00 | 3.91 | ||||||
| 2023 | BOS | AAA | 25 | 1 | 1 | 0 | 2 | 2 | 10.2 | 11.81 | 4.22 | 0.84 | .273 | 94.3% | 34.8% | 11.1% | 1.69 | 3.23 | 3.57 | 3.98 | |||||
| 2023 | BOS | MiLB | 25 | 9 | 6 | 0 | 23 | 23 | 126.1 | 9.55 | 3.28 | 1.21 | .287 | 74.7% | 44.3% | 13.2% | 3.63 | 3.23 | 4.23 | 3.98 | |||||
| 2024 | BOS | AAA | 26 | 4 | 6 | 0 | 18 | 16 | 83.2 | 6.99 | 3.66 | 0.65 | .306 | 72.9% | 40.7% | 7.5% | 4.09 | 5.10 | 4.38 | 5.17 | |||||
| 2025 | BOS | ST | 27 | 0 | 1 | 0 | 3 | 0 | 1.1 | 6.75 | 6.75 | 6.75 | .500 | 65.2% | 14.3% | 50.0% | 20.25 | 16.48 | 9.39 | ||||||
| 2026 | Steamer | PROJ | 28 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.10 | 3.15 | 1.39 | .296 | 69.8% | 42.8% | 4.92 | 4.97 | 4.84 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 28 | 0 | 0 | 0 | 1 | 1 | 5.0 | 5.60 | 3.28 | 1.34 | .303 | 65.1% | 5.36 | 5.06 | 0.0 | ||||||||
| 2026 | KCR | AA | 28 | 1 | 2 | 1 | 9 | 5 | 33.1 | 8.64 | 2.43 | 1.89 | .309 | 70.7% | 42.0% | 17.9% | 5.67 | 5.56 | 5.15 | ||||||
| 2026 | Steamer | ROS | 28 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.90 | 3.25 | 1.34 | .306 | 68.2% | 5.21 | 4.94 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 28 | 0 | 0 | 0 | 1 | 1 | 4.2 | 5.50 | 3.20 | 1.40 | .291 | 66.1% | 5.23 | 5.15 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | KCR | R | 21 | 1 | 6 | 0 | 11 | 10 | 27.0 | 9.33 | 3.67 | 1.67 | .419 | 61.7% | 51.0% | 22.7% | 6.67 | 5.83 | 4.60 | ||||||
| 2021 | KCR | A+ | 23 | 2 | 1 | 0 | 5 | 5 | 22.2 | 7.15 | 2.78 | 1.99 | .180 | 68.8% | 50.0% | 25.0% | 4.37 | 5.98 | 4.36 | ||||||
| 2021 | BOS | A+ | 23 | 1 | 6 | 0 | 8 | 8 | 32.2 | 10.47 | 3.86 | 2.20 | .375 | 65.6% | 38.4% | 24.2% | 7.16 | 6.37 | 5.04 | ||||||
| 2021 | --- | MiLB | 23 | 3 | 7 | 0 | 13 | 13 | 55.1 | 9.11 | 3.42 | 2.11 | .299 | 66.4% | 42.9% | 24.5% | 6.02 | 6.21 | 4.76 | ||||||
| 2023 | BOS | A+ | 25 | 2 | 2 | 0 | 6 | 6 | 31.1 | 10.34 | 2.59 | 1.72 | .333 | 62.2% | 46.7% | 17.1% | 4.88 | 5.07 | 4.15 | ||||||
| 2023 | BOS | AA | 25 | 6 | 3 | 0 | 15 | 15 | 84.1 | 8.96 | 3.42 | 1.07 | .270 | 77.8% | 44.3% | 11.8% | 3.42 | 4.00 | 3.91 | ||||||
| 2023 | BOS | AAA | 25 | 1 | 1 | 0 | 2 | 2 | 10.2 | 11.81 | 4.22 | 0.84 | .273 | 94.3% | 34.8% | 11.1% | 1.69 | 3.23 | 3.57 | 3.98 | |||||
| 2023 | BOS | MiLB | 25 | 9 | 6 | 0 | 23 | 23 | 126.1 | 9.55 | 3.28 | 1.21 | .287 | 74.7% | 44.3% | 13.2% | 3.63 | 3.23 | 4.23 | 3.98 | |||||
| 2024 | BOS | AAA | 26 | 4 | 6 | 0 | 18 | 16 | 83.2 | 6.99 | 3.66 | 0.65 | .306 | 72.9% | 40.7% | 7.5% | 4.09 | 5.10 | 4.38 | 5.17 | |||||
| 2025 | BOS | ST | 27 | 0 | 1 | 0 | 3 | 0 | 1.1 | 6.75 | 6.75 | 6.75 | .500 | 65.2% | 14.3% | 50.0% | 20.25 | 16.48 | 9.39 | ||||||
| 2026 | Steamer | PROJ | 28 | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.10 | 3.15 | 1.39 | .296 | 69.8% | 42.8% | 4.92 | 4.97 | 4.84 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 28 | 0 | 0 | 0 | 1 | 1 | 5.0 | 5.60 | 3.28 | 1.34 | .303 | 65.1% | 5.36 | 5.06 | 0.0 | ||||||||
| 2026 | KCR | AA | 28 | 1 | 2 | 1 | 9 | 5 | 33.1 | 8.64 | 2.43 | 1.89 | .309 | 70.7% | 42.0% | 17.9% | 5.67 | 5.56 | 5.15 | ||||||
| 2026 | Steamer | ROS | 28 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.90 | 3.25 | 1.34 | .306 | 68.2% | 5.21 | 4.94 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 28 | 0 | 0 | 0 | 1 | 1 | 4.2 | 5.50 | 3.20 | 1.40 | .291 | 66.1% | 5.23 | 5.15 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | KCR | R | 1 | 6 | 6.67 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 27.0 | 132 | 41 | 25 | 20 | 5 | 11 | 0 | 2 | 3 | 0 | 28 | |
| 2021 | KCR | A+ | 2 | 1 | 4.37 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 22.2 | 91 | 16 | 12 | 11 | 5 | 7 | 0 | 0 | 2 | 1 | 18 | |
| 2021 | BOS | A+ | 1 | 6 | 7.16 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 32.2 | 161 | 44 | 29 | 26 | 8 | 14 | 0 | 5 | 2 | 0 | 38 | |
| 2021 | --- | MiLB | 3 | 7 | 6.02 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 55.1 | 252 | 60 | 41 | 37 | 13 | 21 | 0 | 5 | 4 | 1 | 56 | |
| 2023 | BOS | A+ | 2 | 2 | 4.88 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 31.1 | 141 | 35 | 23 | 17 | 6 | 9 | 0 | 3 | 3 | 1 | 36 | |
| 2023 | BOS | AA | 6 | 3 | 3.42 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 84.1 | 353 | 71 | 34 | 32 | 10 | 32 | 0 | 1 | 2 | 2 | 84 | |
| 2023 | BOS | AAA | 1 | 1 | 1.69 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10.2 | 42 | 7 | 2 | 2 | 1 | 5 | 0 | 0 | 0 | 0 | 14 | |
| 2023 | BOS | MiLB | 9 | 6 | 3.63 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 126.1 | 536 | 113 | 59 | 51 | 17 | 46 | 0 | 4 | 5 | 3 | 134 | |
| 2024 | BOS | AAA | 4 | 6 | 4.09 | 18 | 16 | 1 | 0 | 0 | 0 | 0 | 83.2 | 369 | 85 | 40 | 38 | 6 | 34 | 0 | 6 | 2 | 0 | 65 | |
| 2025 | BOS | ST | 0 | 1 | 20.25 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 10 | 4 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |
| 2026 | Steamer | PROJ | 0 | 0 | 4.92 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.36 | 1 | 1 | 0 | 0 | 0 | 5.0 | 22 | 6 | 3 | 3 | 1 | 2 | 0 | 0 | 3 | |||||
| 2026 | KCR | AA | 1 | 2 | 5.67 | 9 | 5 | 0 | 0 | 1 | 1 | 0 | 33.1 | 145 | 36 | 21 | 21 | 7 | 9 | 0 | 3 | 1 | 0 | 32 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.23 | 1 | 1 | 0 | 0 | 0 | 4.2 | 19 | 5 | 3 | 2 | 1 | 2 | 0 | 0 | 3 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | KCR | R | 1 | 6 | 6.67 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 27.0 | 132 | 41 | 25 | 20 | 5 | 11 | 0 | 2 | 3 | 0 | 28 | |
| 2021 | KCR | A+ | 2 | 1 | 4.37 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 22.2 | 91 | 16 | 12 | 11 | 5 | 7 | 0 | 0 | 2 | 1 | 18 | |
| 2021 | BOS | A+ | 1 | 6 | 7.16 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 32.2 | 161 | 44 | 29 | 26 | 8 | 14 | 0 | 5 | 2 | 0 | 38 | |
| 2021 | --- | MiLB | 3 | 7 | 6.02 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 55.1 | 252 | 60 | 41 | 37 | 13 | 21 | 0 | 5 | 4 | 1 | 56 | |
| 2023 | BOS | A+ | 2 | 2 | 4.88 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 31.1 | 141 | 35 | 23 | 17 | 6 | 9 | 0 | 3 | 3 | 1 | 36 | |
| 2023 | BOS | AA | 6 | 3 | 3.42 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 84.1 | 353 | 71 | 34 | 32 | 10 | 32 | 0 | 1 | 2 | 2 | 84 | |
| 2023 | BOS | AAA | 1 | 1 | 1.69 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10.2 | 42 | 7 | 2 | 2 | 1 | 5 | 0 | 0 | 0 | 0 | 14 | |
| 2023 | BOS | MiLB | 9 | 6 | 3.63 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 126.1 | 536 | 113 | 59 | 51 | 17 | 46 | 0 | 4 | 5 | 3 | 134 | |
| 2024 | BOS | AAA | 4 | 6 | 4.09 | 18 | 16 | 1 | 0 | 0 | 0 | 0 | 83.2 | 369 | 85 | 40 | 38 | 6 | 34 | 0 | 6 | 2 | 0 | 65 | |
| 2025 | BOS | ST | 0 | 1 | 20.25 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 10 | 4 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |
| 2026 | Steamer | PROJ | 0 | 0 | 4.92 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.36 | 1 | 1 | 0 | 0 | 0 | 5.0 | 22 | 6 | 3 | 3 | 1 | 2 | 0 | 0 | 3 | |||||
| 2026 | KCR | AA | 1 | 2 | 5.67 | 9 | 5 | 0 | 0 | 1 | 1 | 0 | 33.1 | 145 | 36 | 21 | 21 | 7 | 9 | 0 | 3 | 1 | 0 | 32 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.23 | 1 | 1 | 0 | 0 | 0 | 4.2 | 19 | 5 | 3 | 2 | 1 | 2 | 0 | 0 | 3 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | KCR | R | 9.33 | 3.67 | 2.55 | 1.67 | 21.2% | 8.3% | 12.9% | .345 | 1.93 | .419 | 61.7% | 143 | 130 | 5.83 | ||||
| 2021 | KCR | A+ | 7.15 | 2.78 | 2.57 | 1.99 | 19.8% | 7.7% | 12.1% | .190 | 1.01 | .180 | 68.8% | 99 | 135 | 5.98 | ||||
| 2021 | BOS | A+ | 10.47 | 3.86 | 2.71 | 2.20 | 23.6% | 8.7% | 14.9% | .310 | 1.78 | .375 | 65.6% | 149 | 135 | 6.37 | ||||
| 2021 | --- | MiLB | 9.11 | 3.42 | 2.67 | 2.11 | 22.2% | 8.3% | 13.9% | .265 | 1.46 | .299 | 66.4% | 129 | 135 | 6.21 | ||||
| 2023 | BOS | A+ | 10.34 | 2.59 | 4.00 | 1.72 | 25.5% | 6.4% | 19.1% | .271 | 1.40 | .333 | 62.2% | 107 | 113 | 5.07 | ||||
| 2023 | BOS | AA | 8.96 | 3.42 | 2.63 | 1.07 | 23.8% | 9.1% | 14.7% | .222 | 1.22 | .270 | 77.8% | 78 | 94 | 4.00 | ||||
| 2023 | BOS | AAA | 11.81 | 4.22 | 2.80 | 0.84 | 33.3% | 11.9% | 21.4% | .189 | 1.13 | .273 | 94.3% | 32 | 69 | 3.57 | ||||
| 2023 | BOS | MiLB | 9.55 | 3.28 | 2.91 | 1.21 | 25.0% | 8.6% | 16.4% | .233 | 1.26 | .287 | 74.7% | 81 | 97 | 4.23 | ||||
| 2024 | BOS | AAA | 6.99 | 3.66 | 1.91 | 0.65 | 17.6% | 9.2% | 8.4% | .258 | 1.42 | .306 | 72.9% | 84 | 91 | 4.38 | ||||
| 2025 | BOS | ST | 6.75 | 6.75 | 1.00 | 6.75 | 10.0% | 10.0% | 0.0% | .500 | 3.75 | .500 | 65.2% | 391 | 337 | 16.48 | ||||
| 2026 | Steamer | PROJ | 6.10 | 3.15 | 1.94 | 1.39 | 15.4% | 8.0% | 7.5% | .273 | 1.44 | .296 | 69.8% | 4.97 | ||||||
| 2026 | OOPSY | PROJ | 5.60 | 3.28 | 1.70 | 1.34 | 14.2% | 8.4% | 5.9% | .281 | 1.48 | .303 | 65.1% | 5.06 | ||||||
| 2026 | KCR | AA | 8.64 | 2.43 | 3.56 | 1.89 | 22.1% | 6.2% | 15.9% | .271 | 1.35 | .309 | 70.7% | 111 | 110 | 5.56 | ||||
| 2026 | Steamer | ROS | 5.90 | 3.25 | 1.82 | 1.34 | 14.7% | 8.1% | 6.6% | .282 | 1.50 | .306 | 68.2% | 4.94 | ||||||
| 2026 | OOPSY | ROS | 5.50 | 3.20 | 1.72 | 1.40 | 13.9% | 8.1% | 5.8% | .274 | 1.45 | .291 | 66.1% | 5.15 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | KCR | R | 9.33 | 3.67 | 2.55 | 1.67 | 21.2% | 8.3% | 12.9% | .345 | 1.93 | .419 | 61.7% | 143 | 130 | 5.83 | ||||
| 2021 | KCR | A+ | 7.15 | 2.78 | 2.57 | 1.99 | 19.8% | 7.7% | 12.1% | .190 | 1.01 | .180 | 68.8% | 99 | 135 | 5.98 | ||||
| 2021 | BOS | A+ | 10.47 | 3.86 | 2.71 | 2.20 | 23.6% | 8.7% | 14.9% | .310 | 1.78 | .375 | 65.6% | 149 | 135 | 6.37 | ||||
| 2021 | --- | MiLB | 9.11 | 3.42 | 2.67 | 2.11 | 22.2% | 8.3% | 13.9% | .265 | 1.46 | .299 | 66.4% | 129 | 135 | 6.21 | ||||
| 2023 | BOS | A+ | 10.34 | 2.59 | 4.00 | 1.72 | 25.5% | 6.4% | 19.1% | .271 | 1.40 | .333 | 62.2% | 107 | 113 | 5.07 | ||||
| 2023 | BOS | AA | 8.96 | 3.42 | 2.63 | 1.07 | 23.8% | 9.1% | 14.7% | .222 | 1.22 | .270 | 77.8% | 78 | 94 | 4.00 | ||||
| 2023 | BOS | AAA | 11.81 | 4.22 | 2.80 | 0.84 | 33.3% | 11.9% | 21.4% | .189 | 1.13 | .273 | 94.3% | 32 | 69 | 3.57 | ||||
| 2023 | BOS | MiLB | 9.55 | 3.28 | 2.91 | 1.21 | 25.0% | 8.6% | 16.4% | .233 | 1.26 | .287 | 74.7% | 81 | 97 | 4.23 | ||||
| 2024 | BOS | AAA | 6.99 | 3.66 | 1.91 | 0.65 | 17.6% | 9.2% | 8.4% | .258 | 1.42 | .306 | 72.9% | 84 | 91 | 4.38 | ||||
| 2025 | BOS | ST | 6.75 | 6.75 | 1.00 | 6.75 | 10.0% | 10.0% | 0.0% | .500 | 3.75 | .500 | 65.2% | 391 | 337 | 16.48 | ||||
| 2026 | Steamer | PROJ | 6.10 | 3.15 | 1.94 | 1.39 | 15.4% | 8.0% | 7.5% | .273 | 1.44 | .296 | 69.8% | 4.97 | ||||||
| 2026 | OOPSY | PROJ | 5.60 | 3.28 | 1.70 | 1.34 | 14.2% | 8.4% | 5.9% | .281 | 1.48 | .303 | 65.1% | 5.06 | ||||||
| 2026 | KCR | AA | 8.64 | 2.43 | 3.56 | 1.89 | 22.1% | 6.2% | 15.9% | .271 | 1.35 | .309 | 70.7% | 111 | 110 | 5.56 | ||||
| 2026 | Steamer | ROS | 5.90 | 3.25 | 1.82 | 1.34 | 14.7% | 8.1% | 6.6% | .282 | 1.50 | .306 | 68.2% | 4.94 | ||||||
| 2026 | OOPSY | ROS | 5.50 | 3.20 | 1.72 | 1.40 | 13.9% | 8.1% | 5.8% | .274 | 1.45 | .291 | 66.1% | 5.15 |

