Walin Castillo
Miami Marlins (A)P
Age: 20
Bats/Throws: R/R
6'3" / 175
DOB: 1/2/2005
(20 years, 4 months, 5 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 | MIA | DSL | 17 | 1 | 3 | 0 | 10 | 9 | 33.1 | 9.72 | 2.43 | 0.81 | .284 | 66.1% | 44.0% | 10.7% | 2.70 | 3.81 | 3.23 | ||||||
| 2023 | MIA | CPX | 18 | 1 | 1 | 1 | 9 | 3 | 31.2 | 7.39 | 3.41 | 1.14 | .207 | 86.0% | 47.6% | 13.8% | 1.42 | 5.47 | 4.76 | ||||||
| 2024 | MIA | CPX | 19 | 2 | 0 | 0 | 6 | 3 | 23.0 | 9.00 | 1.17 | 0.00 | .155 | 53.8% | 43.4% | 0.0% | 0.39 | 2.34 | 2.97 | ||||||
| 2024 | MIA | A | 19 | 2 | 3 | 0 | 12 | 11 | 51.0 | 5.29 | 3.71 | 0.53 | .289 | 56.7% | 44.2% | 5.6% | 4.94 | 4.44 | 4.84 | ||||||
| 2024 | MIA | MiLB | 19 | 4 | 3 | 0 | 18 | 14 | 74.0 | 6.45 | 2.92 | 0.36 | .254 | 56.2% | 44.0% | 4.2% | 3.53 | 3.79 | 4.26 | ||||||
| 2025 | Steamer | PROJ | 20 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.41 | 4.69 | 1.53 | .300 | 67.3% | 43.1% | 6.11 | 6.11 | 5.86 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 20 | 0 | 0 | 0 | 1 | 1 | 4.0 | 3.72 | 3.44 | 1.34 | .296 | 58.5% | 6.00 | 5.56 | 0.0 | ||||||||
| 2025 | MIA | A | 20 | 0 | 1 | 0 | 5 | 2 | 16.2 | 7.56 | 4.86 | 1.08 | .373 | 51.5% | 42.9% | 15.4% | 8.64 | 5.24 | 4.53 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.40 | 5.05 | 1.44 | .302 | 67.7% | 6.07 | 6.00 | 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 | MIA | DSL | 17 | 1 | 3 | 0 | 10 | 9 | 33.1 | 9.72 | 2.43 | 0.81 | .284 | 66.1% | 44.0% | 10.7% | 2.70 | 3.81 | 3.23 | ||||||
| 2023 | MIA | CPX | 18 | 1 | 1 | 1 | 9 | 3 | 31.2 | 7.39 | 3.41 | 1.14 | .207 | 86.0% | 47.6% | 13.8% | 1.42 | 5.47 | 4.76 | ||||||
| 2024 | MIA | CPX | 19 | 2 | 0 | 0 | 6 | 3 | 23.0 | 9.00 | 1.17 | 0.00 | .155 | 53.8% | 43.4% | 0.0% | 0.39 | 2.34 | 2.97 | ||||||
| 2024 | MIA | A | 19 | 2 | 3 | 0 | 12 | 11 | 51.0 | 5.29 | 3.71 | 0.53 | .289 | 56.7% | 44.2% | 5.6% | 4.94 | 4.44 | 4.84 | ||||||
| 2024 | MIA | MiLB | 19 | 4 | 3 | 0 | 18 | 14 | 74.0 | 6.45 | 2.92 | 0.36 | .254 | 56.2% | 44.0% | 4.2% | 3.53 | 3.79 | 4.26 | ||||||
| 2025 | Steamer | PROJ | 20 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.41 | 4.69 | 1.53 | .300 | 67.3% | 43.1% | 6.11 | 6.11 | 5.86 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 20 | 0 | 0 | 0 | 1 | 1 | 4.0 | 3.72 | 3.44 | 1.34 | .296 | 58.5% | 6.00 | 5.56 | 0.0 | ||||||||
| 2025 | MIA | A | 20 | 0 | 1 | 0 | 5 | 2 | 16.2 | 7.56 | 4.86 | 1.08 | .373 | 51.5% | 42.9% | 15.4% | 8.64 | 5.24 | 4.53 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.40 | 5.05 | 1.44 | .302 | 67.7% | 6.07 | 6.00 | 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 | 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 | MIA | DSL | 1 | 3 | 2.70 | 10 | 9 | 0 | 0 | 0 | 0 | 0 | 33.1 | 138 | 28 | 16 | 10 | 3 | 9 | 0 | 2 | 7 | 0 | 36 | |
| 2023 | MIA | CPX | 1 | 1 | 1.42 | 9 | 3 | 0 | 0 | 1 | 0 | 0 | 31.2 | 128 | 21 | 10 | 5 | 4 | 12 | 0 | 4 | 1 | 0 | 26 | |
| 2024 | MIA | CPX | 2 | 0 | 0.39 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 23.0 | 85 | 9 | 6 | 1 | 0 | 3 | 0 | 1 | 1 | 1 | 23 | |
| 2024 | MIA | A | 2 | 3 | 4.94 | 12 | 11 | 0 | 0 | 0 | 0 | 1 | 51.0 | 221 | 51 | 34 | 28 | 3 | 21 | 0 | 1 | 0 | 0 | 30 | |
| 2024 | MIA | MiLB | 4 | 3 | 3.53 | 18 | 14 | 0 | 0 | 0 | 0 | 1 | 74.0 | 306 | 60 | 40 | 29 | 3 | 24 | 0 | 2 | 1 | 1 | 53 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.00 | 1 | 1 | 0 | 0 | 0 | 4.0 | 16 | 4 | 3 | 3 | 1 | 2 | 0 | 0 | 2 | |||||
| 2025 | MIA | A | 0 | 1 | 8.64 | 5 | 2 | 0 | 0 | 0 | 1 | 0 | 16.2 | 76 | 21 | 16 | 16 | 2 | 9 | 0 | 0 | 1 | 0 | 14 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 |
| 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 | 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 | MIA | DSL | 1 | 3 | 2.70 | 10 | 9 | 0 | 0 | 0 | 0 | 0 | 33.1 | 138 | 28 | 16 | 10 | 3 | 9 | 0 | 2 | 7 | 0 | 36 | |
| 2023 | MIA | CPX | 1 | 1 | 1.42 | 9 | 3 | 0 | 0 | 1 | 0 | 0 | 31.2 | 128 | 21 | 10 | 5 | 4 | 12 | 0 | 4 | 1 | 0 | 26 | |
| 2024 | MIA | CPX | 2 | 0 | 0.39 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 23.0 | 85 | 9 | 6 | 1 | 0 | 3 | 0 | 1 | 1 | 1 | 23 | |
| 2024 | MIA | A | 2 | 3 | 4.94 | 12 | 11 | 0 | 0 | 0 | 0 | 1 | 51.0 | 221 | 51 | 34 | 28 | 3 | 21 | 0 | 1 | 0 | 0 | 30 | |
| 2024 | MIA | MiLB | 4 | 3 | 3.53 | 18 | 14 | 0 | 0 | 0 | 0 | 1 | 74.0 | 306 | 60 | 40 | 29 | 3 | 24 | 0 | 2 | 1 | 1 | 53 | |
| 2025 | Steamer | PROJ | 0 | 0 | 6.11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.00 | 1 | 1 | 0 | 0 | 0 | 4.0 | 16 | 4 | 3 | 3 | 1 | 2 | 0 | 0 | 2 | |||||
| 2025 | MIA | A | 0 | 1 | 8.64 | 5 | 2 | 0 | 0 | 0 | 1 | 0 | 16.2 | 76 | 21 | 16 | 16 | 2 | 9 | 0 | 0 | 1 | 0 | 14 | |
| 2025 | Steamer | ROS | 0 | 0 | 6.07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 0 |
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 | MIA | DSL | 9.72 | 2.43 | 4.00 | 0.81 | 26.1% | 6.5% | 19.6% | .220 | 1.11 | .284 | 66.1% | 61 | 85 | 3.81 | ||||
| 2023 | MIA | CPX | 7.39 | 3.41 | 2.17 | 1.14 | 20.3% | 9.4% | 10.9% | .188 | 1.04 | .207 | 86.0% | 30 | 113 | 5.47 | ||||
| 2024 | MIA | CPX | 9.00 | 1.17 | 7.67 | 0.00 | 27.1% | 3.5% | 23.5% | .111 | 0.52 | .155 | 53.8% | 9 | 54 | 2.34 | ||||
| 2024 | MIA | A | 5.29 | 3.71 | 1.43 | 0.53 | 13.6% | 9.5% | 4.1% | .256 | 1.41 | .289 | 56.7% | 125 | 113 | 4.44 | ||||
| 2024 | MIA | MiLB | 6.45 | 2.92 | 2.21 | 0.36 | 17.3% | 7.8% | 9.5% | .214 | 1.14 | .254 | 56.2% | 89 | 95 | 3.79 | ||||
| 2025 | Steamer | PROJ | 4.41 | 4.69 | 0.94 | 1.53 | 10.5% | 11.2% | -0.7% | .294 | 1.72 | .300 | 67.3% | 6.11 | ||||||
| 2025 | OOPSY | PROJ | 3.72 | 3.44 | 1.08 | 1.34 | 10.0% | 9.2% | 0.8% | .291 | 1.46 | .296 | 58.5% | 5.56 | ||||||
| 2025 | MIA | A | 7.56 | 4.86 | 1.56 | 1.08 | 18.4% | 11.8% | 6.6% | .313 | 1.80 | .373 | 51.5% | 208 | 127 | 5.24 | ||||
| 2025 | Steamer | ROS | 4.40 | 5.05 | 0.87 | 1.44 | 10.5% | 12.0% | -1.5% | .293 | 1.76 | .302 | 67.7% | 6.00 |
| 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 | MIA | DSL | 9.72 | 2.43 | 4.00 | 0.81 | 26.1% | 6.5% | 19.6% | .220 | 1.11 | .284 | 66.1% | 61 | 85 | 3.81 | ||||
| 2023 | MIA | CPX | 7.39 | 3.41 | 2.17 | 1.14 | 20.3% | 9.4% | 10.9% | .188 | 1.04 | .207 | 86.0% | 30 | 113 | 5.47 | ||||
| 2024 | MIA | CPX | 9.00 | 1.17 | 7.67 | 0.00 | 27.1% | 3.5% | 23.5% | .111 | 0.52 | .155 | 53.8% | 9 | 54 | 2.34 | ||||
| 2024 | MIA | A | 5.29 | 3.71 | 1.43 | 0.53 | 13.6% | 9.5% | 4.1% | .256 | 1.41 | .289 | 56.7% | 125 | 113 | 4.44 | ||||
| 2024 | MIA | MiLB | 6.45 | 2.92 | 2.21 | 0.36 | 17.3% | 7.8% | 9.5% | .214 | 1.14 | .254 | 56.2% | 89 | 95 | 3.79 | ||||
| 2025 | Steamer | PROJ | 4.41 | 4.69 | 0.94 | 1.53 | 10.5% | 11.2% | -0.7% | .294 | 1.72 | .300 | 67.3% | 6.11 | ||||||
| 2025 | OOPSY | PROJ | 3.72 | 3.44 | 1.08 | 1.34 | 10.0% | 9.2% | 0.8% | .291 | 1.46 | .296 | 58.5% | 5.56 | ||||||
| 2025 | MIA | A | 7.56 | 4.86 | 1.56 | 1.08 | 18.4% | 11.8% | 6.6% | .313 | 1.80 | .373 | 51.5% | 208 | 127 | 5.24 | ||||
| 2025 | Steamer | ROS | 4.40 | 5.05 | 0.87 | 1.44 | 10.5% | 12.0% | -1.5% | .293 | 1.76 | .302 | 67.7% | 6.00 |
