Marcos Herrera
Colorado Rockies (A)P
Age: 21
Bats/Throws: R/R
6'2" / 182
DOB: 10/11/2004
(21 years, 5 months, 25 days)
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Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | A | 21 | 0 | 1 | 0 | 1 | 1 | 3.2 | 9.82 | 4.91 | 4.91 | .364 | 38.5% | 53.8% | 66.7% | 14.73 | 11.41 | 5.32 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.12 | 5.51 | 1.70 | .313 | 66.0% | 6.83 | 6.44 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 1 | 4.4 | 4.69 | 5.16 | 1.54 | .310 | 60.7% | 6.78 | 6.20 | 0.0 |
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | A | 21 | 0 | 1 | 0 | 1 | 1 | 3.2 | 9.82 | 4.91 | 4.91 | .364 | 38.5% | 53.8% | 66.7% | 14.73 | 11.41 | 5.32 | ||||||
| 2026 | Steamer | ROS | 21 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.12 | 5.51 | 1.70 | .313 | 66.0% | 6.83 | 6.44 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 21 | 0 | 0 | 0 | 1 | 1 | 4.4 | 4.69 | 5.16 | 1.54 | .310 | 60.7% | 6.78 | 6.20 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | A | 0 | 1 | 14.73 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3.2 | 19 | 6 | 6 | 6 | 2 | 2 | 0 | 0 | 1 | 0 | 4 | |
| 2026 | Steamer | ROS | 0 | 0 | 6.83 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 6.78 | 1 | 1 | 0 | 0 | 0 | 4.4 | 20 | 5 | 4 | 3 | 1 | 3 | 0 | 0 | 2 |
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | A | 0 | 1 | 14.73 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3.2 | 19 | 6 | 6 | 6 | 2 | 2 | 0 | 0 | 1 | 0 | 4 | |
| 2026 | Steamer | ROS | 0 | 0 | 6.83 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 6.78 | 1 | 1 | 0 | 0 | 0 | 4.4 | 20 | 5 | 4 | 3 | 1 | 3 | 0 | 0 | 2 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | A | 9.82 | 4.91 | 2.00 | 4.91 | 21.1% | 10.5% | 10.5% | .353 | 2.18 | .364 | 38.5% | 267 | 202 | 11.41 | ||||
| 2026 | Steamer | ROS | 5.12 | 5.51 | 0.93 | 1.70 | 11.9% | 12.8% | -0.9% | .301 | 1.85 | .313 | 66.0% | 6.44 | ||||||
| 2026 | OOPSY | ROS | 4.69 | 5.16 | 0.91 | 1.54 | 11.6% | 12.8% | -1.2% | .299 | 1.72 | .310 | 60.7% | 6.20 |
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | A | 9.82 | 4.91 | 2.00 | 4.91 | 21.1% | 10.5% | 10.5% | .353 | 2.18 | .364 | 38.5% | 267 | 202 | 11.41 | ||||
| 2026 | Steamer | ROS | 5.12 | 5.51 | 0.93 | 1.70 | 11.9% | 12.8% | -0.9% | .301 | 1.85 | .313 | 66.0% | 6.44 | ||||||
| 2026 | OOPSY | ROS | 4.69 | 5.16 | 0.91 | 1.54 | 11.6% | 12.8% | -1.2% | .299 | 1.72 | .310 | 60.7% | 6.20 |

