Rayner Castillo
Detroit Tigers (A+)P
Age: 21
Bats/Throws: R/R
6'3" / 180
DOB: 6/30/2004
(21 years, 9 months, 12 days)
P
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | DET | DSL | 17 | 4 | 2 | 0 | 14 | 14 | 59.1 | 8.34 | 2.28 | 0.15 | .288 | 63.6% | 58.9% | 2.2% | 2.88 | 2.95 | 3.20 | ||||||
| 2022 | DET | CPX | 18 | 1 | 5 | 0 | 11 | 10 | 42.2 | 7.17 | 3.80 | 1.69 | .361 | 58.6% | 38.1% | 12.9% | 8.02 | 6.08 | 4.94 | ||||||
| 2023 | DET | CPX | 19 | 1 | 0 | 0 | 8 | 4 | 17.1 | 9.87 | 5.71 | 1.04 | .375 | 54.5% | 51.0% | 16.7% | 7.27 | 5.68 | 4.89 | ||||||
| 2024 | DET | CPX | 20 | 0 | 1 | 0 | 3 | 3 | 9.2 | 13.97 | 3.72 | 0.93 | .250 | 81.4% | 33.3% | 12.5% | 2.79 | 3.31 | 2.66 | ||||||
| 2024 | DET | A | 20 | 4 | 1 | 0 | 13 | 13 | 60.2 | 6.08 | 2.82 | 0.45 | .235 | 72.8% | 58.6% | 8.1% | 2.52 | 3.98 | 4.01 | ||||||
| 2024 | DET | MiLB | 20 | 4 | 2 | 0 | 16 | 16 | 70.1 | 7.17 | 2.94 | 0.51 | .237 | 73.9% | 55.8% | 8.9% | 2.56 | 3.89 | 3.83 | ||||||
| 2025 | DET | A+ | 21 | 5 | 6 | 0 | 25 | 23 | 98.2 | 7.30 | 4.20 | 1.09 | .294 | 65.5% | 50.2% | 14.5% | 5.29 | 4.92 | 4.16 | ||||||
| 2026 | Steamer | PROJ | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.89 | 4.26 | 1.23 | .301 | 68.9% | 47.7% | 5.30 | 5.38 | 5.31 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 1 | 3.9 | 4.42 | 4.11 | 1.23 | .295 | 62.9% | 5.67 | 5.46 | 0.0 | ||||||||
| 2026 | DET | A+ | 22 | 0 | 1 | 0 | 1 | 1 | 4.0 | 11.25 | 4.50 | 4.50 | .222 | 93.8% | 36.4% | 33.3% | 6.75 | 9.33 | 4.91 | ||||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.02 | 4.52 | 1.19 | .301 | 69.0% | 5.31 | 5.39 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 4.0 | 4.35 | 4.06 | 1.33 | .294 | 61.3% | 5.88 | 5.60 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | DET | DSL | 17 | 4 | 2 | 0 | 14 | 14 | 59.1 | 8.34 | 2.28 | 0.15 | .288 | 63.6% | 58.9% | 2.2% | 2.88 | 2.95 | 3.20 | ||||||
| 2022 | DET | CPX | 18 | 1 | 5 | 0 | 11 | 10 | 42.2 | 7.17 | 3.80 | 1.69 | .361 | 58.6% | 38.1% | 12.9% | 8.02 | 6.08 | 4.94 | ||||||
| 2023 | DET | CPX | 19 | 1 | 0 | 0 | 8 | 4 | 17.1 | 9.87 | 5.71 | 1.04 | .375 | 54.5% | 51.0% | 16.7% | 7.27 | 5.68 | 4.89 | ||||||
| 2024 | DET | CPX | 20 | 0 | 1 | 0 | 3 | 3 | 9.2 | 13.97 | 3.72 | 0.93 | .250 | 81.4% | 33.3% | 12.5% | 2.79 | 3.31 | 2.66 | ||||||
| 2024 | DET | A | 20 | 4 | 1 | 0 | 13 | 13 | 60.2 | 6.08 | 2.82 | 0.45 | .235 | 72.8% | 58.6% | 8.1% | 2.52 | 3.98 | 4.01 | ||||||
| 2024 | DET | MiLB | 20 | 4 | 2 | 0 | 16 | 16 | 70.1 | 7.17 | 2.94 | 0.51 | .237 | 73.9% | 55.8% | 8.9% | 2.56 | 3.89 | 3.83 | ||||||
| 2025 | DET | A+ | 21 | 5 | 6 | 0 | 25 | 23 | 98.2 | 7.30 | 4.20 | 1.09 | .294 | 65.5% | 50.2% | 14.5% | 5.29 | 4.92 | 4.16 | ||||||
| 2026 | Steamer | PROJ | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.89 | 4.26 | 1.23 | .301 | 68.9% | 47.7% | 5.30 | 5.38 | 5.31 | 0.0 | ||||||
| 2026 | OOPSY | PROJ | 22 | 0 | 0 | 0 | 1 | 1 | 3.9 | 4.42 | 4.11 | 1.23 | .295 | 62.9% | 5.67 | 5.46 | 0.0 | ||||||||
| 2026 | DET | A+ | 22 | 0 | 1 | 0 | 1 | 1 | 4.0 | 11.25 | 4.50 | 4.50 | .222 | 93.8% | 36.4% | 33.3% | 6.75 | 9.33 | 4.91 | ||||||
| 2026 | Steamer | ROS | 22 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.02 | 4.52 | 1.19 | .301 | 69.0% | 5.31 | 5.39 | 0.0 | ||||||||
| 2026 | OOPSY | ROS | 22 | 0 | 0 | 0 | 1 | 1 | 4.0 | 4.35 | 4.06 | 1.33 | .294 | 61.3% | 5.88 | 5.60 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | DET | DSL | 4 | 2 | 2.88 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 59.1 | 250 | 52 | 26 | 19 | 1 | 15 | 0 | 2 | 7 | 3 | 55 | |
| 2022 | DET | CPX | 1 | 5 | 8.02 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 42.2 | 195 | 56 | 38 | 38 | 8 | 18 | 0 | 2 | 2 | 0 | 34 | |
| 2023 | DET | CPX | 1 | 0 | 7.27 | 8 | 4 | 0 | 0 | 0 | 2 | 0 | 17.1 | 83 | 20 | 17 | 14 | 2 | 11 | 0 | 3 | 4 | 0 | 19 | |
| 2024 | DET | CPX | 0 | 1 | 2.79 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 9.2 | 40 | 6 | 3 | 3 | 1 | 4 | 0 | 0 | 1 | 0 | 15 | |
| 2024 | DET | A | 4 | 1 | 2.52 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 60.2 | 237 | 43 | 21 | 17 | 3 | 19 | 0 | 4 | 2 | 1 | 41 | |
| 2024 | DET | MiLB | 4 | 2 | 2.56 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 70.1 | 277 | 49 | 24 | 20 | 4 | 23 | 0 | 4 | 3 | 1 | 56 | |
| 2025 | DET | A+ | 5 | 6 | 5.29 | 25 | 23 | 0 | 0 | 0 | 0 | 0 | 98.2 | 432 | 97 | 62 | 58 | 12 | 46 | 0 | 5 | 5 | 2 | 80 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.67 | 1 | 1 | 0 | 0 | 0 | 3.9 | 17 | 4 | 3 | 2 | 1 | 2 | 0 | 0 | 2 | |||||
| 2026 | DET | A+ | 0 | 1 | 6.75 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.0 | 18 | 4 | 3 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 5 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.88 | 1 | 1 | 0 | 0 | 0 | 4.0 | 17 | 4 | 3 | 3 | 1 | 2 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | DET | DSL | 4 | 2 | 2.88 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 59.1 | 250 | 52 | 26 | 19 | 1 | 15 | 0 | 2 | 7 | 3 | 55 | |
| 2022 | DET | CPX | 1 | 5 | 8.02 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 42.2 | 195 | 56 | 38 | 38 | 8 | 18 | 0 | 2 | 2 | 0 | 34 | |
| 2023 | DET | CPX | 1 | 0 | 7.27 | 8 | 4 | 0 | 0 | 0 | 2 | 0 | 17.1 | 83 | 20 | 17 | 14 | 2 | 11 | 0 | 3 | 4 | 0 | 19 | |
| 2024 | DET | CPX | 0 | 1 | 2.79 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 9.2 | 40 | 6 | 3 | 3 | 1 | 4 | 0 | 0 | 1 | 0 | 15 | |
| 2024 | DET | A | 4 | 1 | 2.52 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 60.2 | 237 | 43 | 21 | 17 | 3 | 19 | 0 | 4 | 2 | 1 | 41 | |
| 2024 | DET | MiLB | 4 | 2 | 2.56 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 70.1 | 277 | 49 | 24 | 20 | 4 | 23 | 0 | 4 | 3 | 1 | 56 | |
| 2025 | DET | A+ | 5 | 6 | 5.29 | 25 | 23 | 0 | 0 | 0 | 0 | 0 | 98.2 | 432 | 97 | 62 | 58 | 12 | 46 | 0 | 5 | 5 | 2 | 80 | |
| 2026 | Steamer | PROJ | 0 | 0 | 5.30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2026 | OOPSY | PROJ | 0 | 0 | 5.67 | 1 | 1 | 0 | 0 | 0 | 3.9 | 17 | 4 | 3 | 2 | 1 | 2 | 0 | 0 | 2 | |||||
| 2026 | DET | A+ | 0 | 1 | 6.75 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.0 | 18 | 4 | 3 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 5 | |
| 2026 | Steamer | ROS | 0 | 0 | 5.31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | ||||
| 2026 | OOPSY | ROS | 0 | 0 | 5.88 | 1 | 1 | 0 | 0 | 0 | 4.0 | 17 | 4 | 3 | 3 | 1 | 2 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | DET | DSL | 8.34 | 2.28 | 3.67 | 0.15 | 22.0% | 6.0% | 16.0% | .223 | 1.13 | .288 | 63.6% | 65 | 70 | 2.95 | ||||
| 2022 | DET | CPX | 7.17 | 3.80 | 1.89 | 1.69 | 17.4% | 9.2% | 8.2% | .320 | 1.73 | .361 | 58.6% | 186 | 136 | 6.08 | ||||
| 2023 | DET | CPX | 9.87 | 5.71 | 1.73 | 1.04 | 22.9% | 13.3% | 9.6% | .290 | 1.79 | .375 | 54.5% | 146 | 110 | 5.68 | ||||
| 2024 | DET | CPX | 13.97 | 3.72 | 3.75 | 0.93 | 37.5% | 10.0% | 27.5% | .167 | 1.03 | .250 | 81.4% | 62 | 71 | 3.31 | ||||
| 2024 | DET | A | 6.08 | 2.82 | 2.16 | 0.45 | 17.3% | 8.0% | 9.3% | .201 | 1.02 | .235 | 72.8% | 62 | 98 | 3.98 | ||||
| 2024 | DET | MiLB | 7.17 | 2.94 | 2.43 | 0.51 | 20.2% | 8.3% | 11.9% | .196 | 1.02 | .237 | 73.9% | 62 | 95 | 3.89 | ||||
| 2025 | DET | A+ | 7.30 | 4.20 | 1.74 | 1.09 | 18.5% | 10.6% | 7.9% | .255 | 1.45 | .294 | 65.5% | 138 | 124 | 4.92 | ||||
| 2026 | Steamer | PROJ | 4.89 | 4.26 | 1.15 | 1.23 | 11.9% | 10.4% | 1.5% | .284 | 1.62 | .301 | 68.9% | 5.38 | ||||||
| 2026 | OOPSY | PROJ | 4.42 | 4.11 | 1.08 | 1.23 | 11.4% | 10.6% | 0.8% | .282 | 1.53 | .295 | 62.9% | 5.46 | ||||||
| 2026 | DET | A+ | 11.25 | 4.50 | 2.50 | 4.50 | 27.8% | 11.1% | 16.7% | .250 | 1.50 | .222 | 93.8% | 160 | 213 | 9.33 | ||||
| 2026 | Steamer | ROS | 5.02 | 4.52 | 1.11 | 1.19 | 12.2% | 11.0% | 1.2% | .282 | 1.64 | .301 | 69.0% | 5.39 | ||||||
| 2026 | OOPSY | ROS | 4.35 | 4.06 | 1.07 | 1.33 | 11.4% | 10.6% | 0.8% | .284 | 1.52 | .294 | 61.3% | 5.60 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | DET | DSL | 8.34 | 2.28 | 3.67 | 0.15 | 22.0% | 6.0% | 16.0% | .223 | 1.13 | .288 | 63.6% | 65 | 70 | 2.95 | ||||
| 2022 | DET | CPX | 7.17 | 3.80 | 1.89 | 1.69 | 17.4% | 9.2% | 8.2% | .320 | 1.73 | .361 | 58.6% | 186 | 136 | 6.08 | ||||
| 2023 | DET | CPX | 9.87 | 5.71 | 1.73 | 1.04 | 22.9% | 13.3% | 9.6% | .290 | 1.79 | .375 | 54.5% | 146 | 110 | 5.68 | ||||
| 2024 | DET | CPX | 13.97 | 3.72 | 3.75 | 0.93 | 37.5% | 10.0% | 27.5% | .167 | 1.03 | .250 | 81.4% | 62 | 71 | 3.31 | ||||
| 2024 | DET | A | 6.08 | 2.82 | 2.16 | 0.45 | 17.3% | 8.0% | 9.3% | .201 | 1.02 | .235 | 72.8% | 62 | 98 | 3.98 | ||||
| 2024 | DET | MiLB | 7.17 | 2.94 | 2.43 | 0.51 | 20.2% | 8.3% | 11.9% | .196 | 1.02 | .237 | 73.9% | 62 | 95 | 3.89 | ||||
| 2025 | DET | A+ | 7.30 | 4.20 | 1.74 | 1.09 | 18.5% | 10.6% | 7.9% | .255 | 1.45 | .294 | 65.5% | 138 | 124 | 4.92 | ||||
| 2026 | Steamer | PROJ | 4.89 | 4.26 | 1.15 | 1.23 | 11.9% | 10.4% | 1.5% | .284 | 1.62 | .301 | 68.9% | 5.38 | ||||||
| 2026 | OOPSY | PROJ | 4.42 | 4.11 | 1.08 | 1.23 | 11.4% | 10.6% | 0.8% | .282 | 1.53 | .295 | 62.9% | 5.46 | ||||||
| 2026 | DET | A+ | 11.25 | 4.50 | 2.50 | 4.50 | 27.8% | 11.1% | 16.7% | .250 | 1.50 | .222 | 93.8% | 160 | 213 | 9.33 | ||||
| 2026 | Steamer | ROS | 5.02 | 4.52 | 1.11 | 1.19 | 12.2% | 11.0% | 1.2% | .282 | 1.64 | .301 | 69.0% | 5.39 | ||||||
| 2026 | OOPSY | ROS | 4.35 | 4.06 | 1.07 | 1.33 | 11.4% | 10.6% | 0.8% | .284 | 1.52 | .294 | 61.3% | 5.60 |
