Marcos Herrera
Colorado Rockies (A)P
Age: 21
Bats/Throws: R/R
6'2" / 182
DOB: 10/11/2004
(21 years, 10 months, 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | COL | DSL | 17 | 3 | 2 | 0 | 11 | 8 | 34.0 | 7.68 | 3.97 | 1.32 | .233 | 67.6% | 43.5% | 17.9% | 4.24 | 5.60 | 4.28 | ||||||
| 2023 | COL | DSL | 18 | 1 | 0 | 0 | 2 | 0 | 6.2 | 5.40 | 2.70 | 0.00 | .158 | 80.0% | 31.6% | 0.0% | 1.35 | 3.68 | 4.77 | ||||||
| 2023 | COL | DSL | 18 | 4 | 0 | 0 | 9 | 9 | 37.0 | 8.27 | 3.41 | 0.24 | .357 | 49.5% | 41.6% | 2.2% | 5.35 | 3.95 | 4.48 | ||||||
| 2023 | COL | MiLB | 18 | 5 | 0 | 0 | 11 | 9 | 43.2 | 7.83 | 3.30 | 0.21 | .328 | 51.9% | 40.2% | 1.8% | 4.74 | 3.91 | 4.53 | ||||||
| 2024 | COL | CPX | 19 | 2 | 2 | 0 | 12 | 6 | 43.2 | 8.04 | 5.77 | 0.41 | .369 | 65.7% | 52.3% | 5.9% | 5.77 | 5.70 | 5.84 | ||||||
| 2025 | COL | A | 20 | 6 | 7 | 0 | 21 | 19 | 100.2 | 9.12 | 4.74 | 0.72 | .305 | 74.4% | 38.7% | 7.9% | 3.93 | 4.83 | 4.67 | ||||||
| 2026 | Steamer | PROJ | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.01 | 5.34 | 1.74 | .312 | 65.8% | 42.0% | 6.86 | 6.47 | 5.96 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 1 | 4.5 | 4.86 | 5.06 | 1.50 | .310 | 61.2% | 6.60 | 6.07 | 0.0 | ||||||||
| 2026 | COL | CPX | 21 | 1 | 0 | 0 | 5 | 5 | 22.1 | 10.88 | 5.64 | 1.21 | .357 | 69.0% | 55.2% | 30.0% | 4.84 | 6.38 | 5.30 | ||||||
| 2026 | COL | A | 21 | 0 | 9 | 0 | 20 | 18 | 69.2 | 8.91 | 7.11 | 1.94 | .390 | 55.9% | 45.5% | 19.2% | 10.08 | 7.80 | 6.84 | ||||||
| 2026 | COL | MiLB | 21 | 1 | 9 | 0 | 25 | 23 | 92.0 | 9.39 | 6.75 | 1.76 | .384 | 58.5% | 47.4% | 20.5% | 8.80 | 7.46 | 6.46 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.67 | 6.04 | 1.70 | .314 | 65.8% | 7.13 | 6.70 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 1 | 4.0 | 4.22 | 6.20 | 1.62 | .306 | 63.1% | 7.12 | 6.79 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | COL | DSL | 17 | 3 | 2 | 0 | 11 | 8 | 34.0 | 7.68 | 3.97 | 1.32 | .233 | 67.6% | 43.5% | 17.9% | 4.24 | 5.60 | 4.28 | ||||||
| 2023 | COL | DSL | 18 | 1 | 0 | 0 | 2 | 0 | 6.2 | 5.40 | 2.70 | 0.00 | .158 | 80.0% | 31.6% | 0.0% | 1.35 | 3.68 | 4.77 | ||||||
| 2023 | COL | DSL | 18 | 4 | 0 | 0 | 9 | 9 | 37.0 | 8.27 | 3.41 | 0.24 | .357 | 49.5% | 41.6% | 2.2% | 5.35 | 3.95 | 4.48 | ||||||
| 2023 | COL | MiLB | 18 | 5 | 0 | 0 | 11 | 9 | 43.2 | 7.83 | 3.30 | 0.21 | .328 | 51.9% | 40.2% | 1.8% | 4.74 | 3.91 | 4.53 | ||||||
| 2024 | COL | CPX | 19 | 2 | 2 | 0 | 12 | 6 | 43.2 | 8.04 | 5.77 | 0.41 | .369 | 65.7% | 52.3% | 5.9% | 5.77 | 5.70 | 5.84 | ||||||
| 2025 | COL | A | 20 | 6 | 7 | 0 | 21 | 19 | 100.2 | 9.12 | 4.74 | 0.72 | .305 | 74.4% | 38.7% | 7.9% | 3.93 | 4.83 | 4.67 | ||||||
| 2026 | Steamer | PROJ | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.01 | 5.34 | 1.74 | .312 | 65.8% | 42.0% | 6.86 | 6.47 | 5.96 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 21 | 0 | 0 | 0 | 1 | 1 | 4.5 | 4.86 | 5.06 | 1.50 | .310 | 61.2% | 6.60 | 6.07 | 0.0 | ||||||||
| 2026 | COL | CPX | 21 | 1 | 0 | 0 | 5 | 5 | 22.1 | 10.88 | 5.64 | 1.21 | .357 | 69.0% | 55.2% | 30.0% | 4.84 | 6.38 | 5.30 | ||||||
| 2026 | COL | A | 21 | 0 | 9 | 0 | 20 | 18 | 69.2 | 8.91 | 7.11 | 1.94 | .390 | 55.9% | 45.5% | 19.2% | 10.08 | 7.80 | 6.84 | ||||||
| 2026 | COL | MiLB | 21 | 1 | 9 | 0 | 25 | 23 | 92.0 | 9.39 | 6.75 | 1.76 | .384 | 58.5% | 47.4% | 20.5% | 8.80 | 7.46 | 6.46 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.67 | 6.04 | 1.70 | .314 | 65.8% | 7.13 | 6.70 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 1 | 4.0 | 4.22 | 6.20 | 1.62 | .306 | 63.1% | 7.12 | 6.79 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | COL | DSL | 3 | 2 | 4.24 | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 34.0 | 142 | 26 | 19 | 16 | 5 | 15 | 0 | 3 | 4 | 0 | 29 | |
| 2023 | COL | DSL | 1 | 0 | 1.35 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 25 | 3 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 4 | |
| 2023 | COL | DSL | 4 | 0 | 5.35 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 37.0 | 168 | 42 | 31 | 22 | 1 | 14 | 0 | 4 | 9 | 0 | 34 | |
| 2023 | COL | MiLB | 5 | 0 | 4.74 | 11 | 9 | 0 | 0 | 0 | 0 | 0 | 43.2 | 193 | 45 | 32 | 23 | 1 | 16 | 0 | 4 | 11 | 0 | 38 | |
| 2024 | COL | CPX | 2 | 2 | 5.77 | 12 | 6 | 0 | 0 | 0 | 1 | 0 | 43.2 | 203 | 50 | 30 | 28 | 2 | 28 | 0 | 4 | 12 | 0 | 39 | |
| 2025 | COL | A | 6 | 7 | 3.93 | 21 | 19 | 0 | 0 | 0 | 0 | 0 | 100.2 | 440 | 90 | 47 | 44 | 8 | 53 | 0 | 8 | 8 | 0 | 102 | |
| 2026 | Steamer | PROJ | 0 | 0 | 6.86 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.60 | 1 | 1 | 0 | 0 | 0 | 4.5 | 20 | 5 | 4 | 3 | 1 | 3 | 0 | 0 | 2 | |||||
| 2026 | COL | CPX | 1 | 0 | 4.84 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 22.1 | 102 | 23 | 15 | 12 | 3 | 14 | 0 | 2 | 6 | 0 | 27 | |
| 2026 | COL | A | 0 | 9 | 10.08 | 20 | 18 | 0 | 0 | 0 | 0 | 0 | 69.2 | 372 | 104 | 84 | 78 | 15 | 55 | 0 | 5 | 10 | 0 | 69 | |
| 2026 | COL | MiLB | 1 | 9 | 8.80 | 25 | 23 | 0 | 0 | 0 | 0 | 0 | 92.0 | 474 | 127 | 99 | 90 | 18 | 69 | 0 | 7 | 16 | 0 | 96 | |
| 2026 | Steamer | ROS | 0 | 0 | 7.13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 7.12 | 1 | 1 | 0 | 0 | 0 | 4.0 | 19 | 5 | 3 | 3 | 1 | 3 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | COL | DSL | 3 | 2 | 4.24 | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 34.0 | 142 | 26 | 19 | 16 | 5 | 15 | 0 | 3 | 4 | 0 | 29 | |
| 2023 | COL | DSL | 1 | 0 | 1.35 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 25 | 3 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 4 | |
| 2023 | COL | DSL | 4 | 0 | 5.35 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 37.0 | 168 | 42 | 31 | 22 | 1 | 14 | 0 | 4 | 9 | 0 | 34 | |
| 2023 | COL | MiLB | 5 | 0 | 4.74 | 11 | 9 | 0 | 0 | 0 | 0 | 0 | 43.2 | 193 | 45 | 32 | 23 | 1 | 16 | 0 | 4 | 11 | 0 | 38 | |
| 2024 | COL | CPX | 2 | 2 | 5.77 | 12 | 6 | 0 | 0 | 0 | 1 | 0 | 43.2 | 203 | 50 | 30 | 28 | 2 | 28 | 0 | 4 | 12 | 0 | 39 | |
| 2025 | COL | A | 6 | 7 | 3.93 | 21 | 19 | 0 | 0 | 0 | 0 | 0 | 100.2 | 440 | 90 | 47 | 44 | 8 | 53 | 0 | 8 | 8 | 0 | 102 | |
| 2026 | Steamer | PROJ | 0 | 0 | 6.86 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 6.60 | 1 | 1 | 0 | 0 | 0 | 4.5 | 20 | 5 | 4 | 3 | 1 | 3 | 0 | 0 | 2 | |||||
| 2026 | COL | CPX | 1 | 0 | 4.84 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 22.1 | 102 | 23 | 15 | 12 | 3 | 14 | 0 | 2 | 6 | 0 | 27 | |
| 2026 | COL | A | 0 | 9 | 10.08 | 20 | 18 | 0 | 0 | 0 | 0 | 0 | 69.2 | 372 | 104 | 84 | 78 | 15 | 55 | 0 | 5 | 10 | 0 | 69 | |
| 2026 | COL | MiLB | 1 | 9 | 8.80 | 25 | 23 | 0 | 0 | 0 | 0 | 0 | 92.0 | 474 | 127 | 99 | 90 | 18 | 69 | 0 | 7 | 16 | 0 | 96 | |
| 2026 | Steamer | ROS | 0 | 0 | 7.13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 7.12 | 1 | 1 | 0 | 0 | 0 | 4.0 | 19 | 5 | 3 | 3 | 1 | 3 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | COL | DSL | 7.68 | 3.97 | 1.93 | 1.32 | 20.4% | 10.6% | 9.9% | .210 | 1.21 | .233 | 67.6% | 87 | 121 | 5.60 | ||||
| 2023 | COL | DSL | 5.40 | 2.70 | 2.00 | 0.00 | 16.0% | 8.0% | 8.0% | .130 | 0.75 | .158 | 80.0% | 26 | 72 | 3.68 | ||||
| 2023 | COL | DSL | 8.27 | 3.41 | 2.43 | 0.24 | 20.2% | 8.3% | 11.9% | .280 | 1.51 | .357 | 49.5% | 103 | 80 | 3.95 | ||||
| 2023 | COL | MiLB | 7.83 | 3.30 | 2.38 | 0.21 | 19.7% | 8.3% | 11.4% | .260 | 1.40 | .328 | 51.9% | 91 | 79 | 3.91 | ||||
| 2024 | COL | CPX | 8.04 | 5.77 | 1.39 | 0.41 | 19.2% | 13.8% | 5.4% | .292 | 1.79 | .369 | 65.7% | 108 | 105 | 5.70 | ||||
| 2025 | COL | A | 9.12 | 4.74 | 1.92 | 0.72 | 23.2% | 12.0% | 11.1% | .237 | 1.42 | .305 | 74.4% | 88 | 106 | 4.83 | ||||
| 2026 | Steamer | PROJ | 5.01 | 5.34 | 0.94 | 1.74 | 11.7% | 12.5% | -0.8% | .302 | 1.84 | .312 | 65.8% | 6.47 | ||||||
| 2026 | OOPSY | PROJ | 4.86 | 5.06 | 0.96 | 1.50 | 12.1% | 12.6% | -0.5% | .296 | 1.70 | .310 | 61.2% | 6.07 | ||||||
| 2026 | COL | CPX | 10.88 | 5.64 | 1.93 | 1.21 | 26.5% | 13.7% | 12.7% | .267 | 1.66 | .357 | 69.0% | 80 | 104 | 6.38 | ||||
| 2026 | COL | A | 8.91 | 7.11 | 1.25 | 1.94 | 18.5% | 14.8% | 3.8% | .333 | 2.28 | .390 | 55.9% | 186 | 141 | 7.80 | ||||
| 2026 | COL | MiLB | 9.39 | 6.75 | 1.39 | 1.76 | 20.3% | 14.6% | 5.7% | .319 | 2.13 | .384 | 58.5% | 160 | 132 | 7.46 | ||||
| 2026 | Steamer | ROS | 4.67 | 6.04 | 0.77 | 1.70 | 10.7% | 13.8% | -3.1% | .306 | 1.93 | .314 | 65.8% | 6.70 | ||||||
| 2026 | OOPSY | ROS | 4.22 | 6.20 | 0.68 | 1.62 | 9.8% | 14.3% | -4.6% | .302 | 1.91 | .306 | 63.1% | 6.79 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | COL | DSL | 7.68 | 3.97 | 1.93 | 1.32 | 20.4% | 10.6% | 9.9% | .210 | 1.21 | .233 | 67.6% | 87 | 121 | 5.60 | ||||
| 2023 | COL | DSL | 5.40 | 2.70 | 2.00 | 0.00 | 16.0% | 8.0% | 8.0% | .130 | 0.75 | .158 | 80.0% | 26 | 72 | 3.68 | ||||
| 2023 | COL | DSL | 8.27 | 3.41 | 2.43 | 0.24 | 20.2% | 8.3% | 11.9% | .280 | 1.51 | .357 | 49.5% | 103 | 80 | 3.95 | ||||
| 2023 | COL | MiLB | 7.83 | 3.30 | 2.38 | 0.21 | 19.7% | 8.3% | 11.4% | .260 | 1.40 | .328 | 51.9% | 91 | 79 | 3.91 | ||||
| 2024 | COL | CPX | 8.04 | 5.77 | 1.39 | 0.41 | 19.2% | 13.8% | 5.4% | .292 | 1.79 | .369 | 65.7% | 108 | 105 | 5.70 | ||||
| 2025 | COL | A | 9.12 | 4.74 | 1.92 | 0.72 | 23.2% | 12.0% | 11.1% | .237 | 1.42 | .305 | 74.4% | 88 | 106 | 4.83 | ||||
| 2026 | Steamer | PROJ | 5.01 | 5.34 | 0.94 | 1.74 | 11.7% | 12.5% | -0.8% | .302 | 1.84 | .312 | 65.8% | 6.47 | ||||||
| 2026 | OOPSY | PROJ | 4.86 | 5.06 | 0.96 | 1.50 | 12.1% | 12.6% | -0.5% | .296 | 1.70 | .310 | 61.2% | 6.07 | ||||||
| 2026 | COL | CPX | 10.88 | 5.64 | 1.93 | 1.21 | 26.5% | 13.7% | 12.7% | .267 | 1.66 | .357 | 69.0% | 80 | 104 | 6.38 | ||||
| 2026 | COL | A | 8.91 | 7.11 | 1.25 | 1.94 | 18.5% | 14.8% | 3.8% | .333 | 2.28 | .390 | 55.9% | 186 | 141 | 7.80 | ||||
| 2026 | COL | MiLB | 9.39 | 6.75 | 1.39 | 1.76 | 20.3% | 14.6% | 5.7% | .319 | 2.13 | .384 | 58.5% | 160 | 132 | 7.46 | ||||
| 2026 | Steamer | ROS | 4.67 | 6.04 | 0.77 | 1.70 | 10.7% | 13.8% | -3.1% | .306 | 1.93 | .314 | 65.8% | 6.70 | ||||||
| 2026 | OOPSY | ROS | 4.22 | 6.20 | 0.68 | 1.62 | 9.8% | 14.3% | -4.6% | .302 | 1.91 | .306 | 63.1% | 6.79 |

