Williams Montero
Boston Red Sox (A)P
Age: 18
Bats/Throws: R/R
6'0" / 160
DOB: 1/15/2008
(18 years, 7 months, 26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | BOS | DSL | 17 | 1 | 4 | 0 | 11 | 11 | 43.2 | 7.63 | 3.30 | 0.00 | .289 | 65.5% | 44.8% | 0.0% | 3.30 | 3.78 | 4.56 | ||||||
| 2026 | Steamer | PROJ | 18 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.11 | 6.61 | 1.67 | .299 | 66.7% | 40.8% | 7.01 | 6.99 | 6.73 | 0.0 | ||||||
| 2026 | BOS | CPX | 18 | 1 | 2 | 1 | 10 | 5 | 29.0 | 12.41 | 4.97 | 0.31 | .412 | 64.4% | 41.9% | 3.3% | 4.66 | 3.89 | 4.82 | ||||||
| 2026 | BOS | A | 18 | 0 | 3 | 0 | 6 | 5 | 10.0 | 9.90 | 9.90 | 1.80 | .452 | 31.7% | 42.4% | 28.6% | 18.00 | 7.66 | 6.04 | ||||||
| 2026 | BOS | MiLB | 18 | 1 | 5 | 1 | 16 | 10 | 39.0 | 11.77 | 6.23 | 0.69 | .424 | 52.9% | 42.1% | 8.1% | 8.08 | 4.86 | 5.13 | ||||||
| 2026 | Steamer | ROS | 18 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.25 | 5.94 | 1.46 | .304 | 67.0% | 6.40 | 6.18 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 18 | 0 | 0 | 0 | 1 | 1 | 2.4 | 6.92 | 4.99 | 1.44 | .294 | 69.2% | 5.46 | 5.52 | 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 | BOS | DSL | 17 | 1 | 4 | 0 | 11 | 11 | 43.2 | 7.63 | 3.30 | 0.00 | .289 | 65.5% | 44.8% | 0.0% | 3.30 | 3.78 | 4.56 | ||||||
| 2026 | Steamer | PROJ | 18 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.11 | 6.61 | 1.67 | .299 | 66.7% | 40.8% | 7.01 | 6.99 | 6.73 | 0.0 | ||||||
| 2026 | BOS | CPX | 18 | 1 | 2 | 1 | 10 | 5 | 29.0 | 12.41 | 4.97 | 0.31 | .412 | 64.4% | 41.9% | 3.3% | 4.66 | 3.89 | 4.82 | ||||||
| 2026 | BOS | A | 18 | 0 | 3 | 0 | 6 | 5 | 10.0 | 9.90 | 9.90 | 1.80 | .452 | 31.7% | 42.4% | 28.6% | 18.00 | 7.66 | 6.04 | ||||||
| 2026 | BOS | MiLB | 18 | 1 | 5 | 1 | 16 | 10 | 39.0 | 11.77 | 6.23 | 0.69 | .424 | 52.9% | 42.1% | 8.1% | 8.08 | 4.86 | 5.13 | ||||||
| 2026 | Steamer | ROS | 18 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.25 | 5.94 | 1.46 | .304 | 67.0% | 6.40 | 6.18 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 18 | 0 | 0 | 0 | 1 | 1 | 2.4 | 6.92 | 4.99 | 1.44 | .294 | 69.2% | 5.46 | 5.52 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | BOS | DSL | 1 | 4 | 3.30 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 43.2 | 186 | 37 | 20 | 16 | 0 | 16 | 0 | 5 | 5 | 1 | 37 | |
| 2026 | Steamer | PROJ | 0 | 0 | 7.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | |||
| 2026 | BOS | CPX | 1 | 2 | 4.66 | 10 | 5 | 0 | 0 | 1 | 1 | 0 | 29.0 | 128 | 29 | 18 | 15 | 1 | 16 | 0 | 3 | 5 | 2 | 40 | |
| 2026 | BOS | A | 0 | 3 | 18.00 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 10.0 | 56 | 16 | 20 | 20 | 2 | 11 | 0 | 1 | 3 | 0 | 11 | |
| 2026 | BOS | MiLB | 1 | 5 | 8.08 | 16 | 10 | 0 | 0 | 1 | 1 | 0 | 39.0 | 184 | 45 | 38 | 35 | 3 | 27 | 0 | 4 | 8 | 2 | 51 | |
| 2026 | Steamer | ROS | 0 | 0 | 6.40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.46 | 1 | 1 | 0 | 0 | 0 | 2.4 | 12 | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 2 |
| 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 | BOS | DSL | 1 | 4 | 3.30 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 43.2 | 186 | 37 | 20 | 16 | 0 | 16 | 0 | 5 | 5 | 1 | 37 | |
| 2026 | Steamer | PROJ | 0 | 0 | 7.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | |||
| 2026 | BOS | CPX | 1 | 2 | 4.66 | 10 | 5 | 0 | 0 | 1 | 1 | 0 | 29.0 | 128 | 29 | 18 | 15 | 1 | 16 | 0 | 3 | 5 | 2 | 40 | |
| 2026 | BOS | A | 0 | 3 | 18.00 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 10.0 | 56 | 16 | 20 | 20 | 2 | 11 | 0 | 1 | 3 | 0 | 11 | |
| 2026 | BOS | MiLB | 1 | 5 | 8.08 | 16 | 10 | 0 | 0 | 1 | 1 | 0 | 39.0 | 184 | 45 | 38 | 35 | 3 | 27 | 0 | 4 | 8 | 2 | 51 | |
| 2026 | Steamer | ROS | 0 | 0 | 6.40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.46 | 1 | 1 | 0 | 0 | 0 | 2.4 | 12 | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 2 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | BOS | DSL | 7.63 | 3.30 | 2.31 | 0.00 | 19.9% | 8.6% | 11.3% | .224 | 1.21 | .289 | 65.5% | 63 | 72 | 3.78 | ||||
| 2026 | Steamer | PROJ | 4.11 | 6.61 | 0.62 | 1.67 | 9.4% | 15.1% | -5.7% | .297 | 1.95 | .299 | 66.7% | 6.99 | ||||||
| 2026 | BOS | CPX | 12.41 | 4.97 | 2.50 | 0.31 | 31.3% | 12.5% | 18.8% | .266 | 1.55 | .412 | 64.4% | 76 | 67 | 3.89 | ||||
| 2026 | BOS | A | 9.90 | 9.90 | 1.00 | 1.80 | 19.6% | 19.6% | 0.0% | .364 | 2.70 | .452 | 31.7% | 364 | 162 | 7.66 | ||||
| 2026 | BOS | MiLB | 11.77 | 6.23 | 1.89 | 0.69 | 27.7% | 14.7% | 13.0% | .294 | 1.85 | .424 | 52.9% | 150 | 91 | 4.86 | ||||
| 2026 | Steamer | ROS | 5.25 | 5.94 | 0.88 | 1.46 | 12.3% | 13.9% | -1.6% | .288 | 1.83 | .304 | 67.0% | 6.18 | ||||||
| 2026 | OOPSY | ROS | 6.92 | 4.99 | 1.39 | 1.44 | 16.3% | 11.7% | 4.6% | .266 | 1.65 | .294 | 69.2% | 5.52 |
| 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 | BOS | DSL | 7.63 | 3.30 | 2.31 | 0.00 | 19.9% | 8.6% | 11.3% | .224 | 1.21 | .289 | 65.5% | 63 | 72 | 3.78 | ||||
| 2026 | Steamer | PROJ | 4.11 | 6.61 | 0.62 | 1.67 | 9.4% | 15.1% | -5.7% | .297 | 1.95 | .299 | 66.7% | 6.99 | ||||||
| 2026 | BOS | CPX | 12.41 | 4.97 | 2.50 | 0.31 | 31.3% | 12.5% | 18.8% | .266 | 1.55 | .412 | 64.4% | 76 | 67 | 3.89 | ||||
| 2026 | BOS | A | 9.90 | 9.90 | 1.00 | 1.80 | 19.6% | 19.6% | 0.0% | .364 | 2.70 | .452 | 31.7% | 364 | 162 | 7.66 | ||||
| 2026 | BOS | MiLB | 11.77 | 6.23 | 1.89 | 0.69 | 27.7% | 14.7% | 13.0% | .294 | 1.85 | .424 | 52.9% | 150 | 91 | 4.86 | ||||
| 2026 | Steamer | ROS | 5.25 | 5.94 | 0.88 | 1.46 | 12.3% | 13.9% | -1.6% | .288 | 1.83 | .304 | 67.0% | 6.18 | ||||||
| 2026 | OOPSY | ROS | 6.92 | 4.99 | 1.39 | 1.44 | 16.3% | 11.7% | 4.6% | .266 | 1.65 | .294 | 69.2% | 5.52 |
