Oscar Rayo
Kansas City Royals (AA)P
Age: 23
Bats/Throws: L/L
6'1" / 180
DOB: 1/13/2002
(23 years, 3 months, 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | KCR | DSL | 19 | 1 | 0 | 0 | 9 | 3 | 20.2 | 10.89 | 1.31 | 0.44 | .333 | 64.8% | 35.3% | 4.3% | 3.92 | 2.66 | 2.72 | ||||||
| 2022 | KCR | DSL | 20 | 0 | 0 | 0 | 5 | 5 | 17.0 | 11.65 | 1.59 | 0.00 | .342 | 87.5% | 50.0% | 0.0% | 0.53 | 1.75 | 2.29 | ||||||
| 2022 | KCR | CPX | 20 | 1 | 0 | 0 | 1 | 0 | 4.0 | 18.00 | 0.00 | 0.00 | .286 | 100.0% | 66.7% | 0.0% | 0.00 | 0.24 | 0.77 | ||||||
| 2022 | KCR | A | 20 | 1 | 1 | 1 | 8 | 0 | 23.0 | 7.83 | 2.35 | 1.57 | .309 | 79.5% | 39.1% | 13.3% | 3.91 | 5.28 | 4.57 | ||||||
| 2022 | KCR | MiLB | 20 | 2 | 1 | 1 | 14 | 5 | 44.0 | 10.23 | 1.84 | 0.82 | .319 | 83.3% | 44.1% | 8.9% | 2.25 | 3.46 | 3.34 | ||||||
| 2023 | KCR | A | 21 | 5 | 2 | 2 | 23 | 6 | 71.1 | 8.33 | 1.51 | 0.13 | .312 | 62.0% | 43.5% | 1.3% | 3.15 | 2.75 | 3.65 | ||||||
| 2024 | KCR | A+ | 22 | 6 | 0 | 2 | 25 | 7 | 84.2 | 8.29 | 2.02 | 0.21 | .293 | 81.3% | 45.2% | 2.8% | 2.13 | 2.79 | 3.40 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.31 | 3.63 | 1.26 | .299 | 69.4% | 43.2% | 5.04 | 5.16 | 5.20 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 1 | 3.3 | 4.96 | 2.83 | 1.20 | .293 | 61.7% | 5.14 | 4.87 | 0.0 | ||||||||
| 2025 | KCR | AA | 23 | 0 | 1 | 0 | 5 | 0 | 9.2 | 8.38 | 4.66 | 0.93 | .333 | 61.6% | 46.4% | 9.1% | 6.52 | 5.03 | 5.25 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.40 | 3.08 | 1.08 | .298 | 71.3% | 4.31 | 4.37 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 1 | 3.1 | 4.99 | 3.01 | 1.27 | .291 | 61.9% | 5.27 | 5.03 | 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 | KCR | DSL | 19 | 1 | 0 | 0 | 9 | 3 | 20.2 | 10.89 | 1.31 | 0.44 | .333 | 64.8% | 35.3% | 4.3% | 3.92 | 2.66 | 2.72 | ||||||
| 2022 | KCR | DSL | 20 | 0 | 0 | 0 | 5 | 5 | 17.0 | 11.65 | 1.59 | 0.00 | .342 | 87.5% | 50.0% | 0.0% | 0.53 | 1.75 | 2.29 | ||||||
| 2022 | KCR | CPX | 20 | 1 | 0 | 0 | 1 | 0 | 4.0 | 18.00 | 0.00 | 0.00 | .286 | 100.0% | 66.7% | 0.0% | 0.00 | 0.24 | 0.77 | ||||||
| 2022 | KCR | A | 20 | 1 | 1 | 1 | 8 | 0 | 23.0 | 7.83 | 2.35 | 1.57 | .309 | 79.5% | 39.1% | 13.3% | 3.91 | 5.28 | 4.57 | ||||||
| 2022 | KCR | MiLB | 20 | 2 | 1 | 1 | 14 | 5 | 44.0 | 10.23 | 1.84 | 0.82 | .319 | 83.3% | 44.1% | 8.9% | 2.25 | 3.46 | 3.34 | ||||||
| 2023 | KCR | A | 21 | 5 | 2 | 2 | 23 | 6 | 71.1 | 8.33 | 1.51 | 0.13 | .312 | 62.0% | 43.5% | 1.3% | 3.15 | 2.75 | 3.65 | ||||||
| 2024 | KCR | A+ | 22 | 6 | 0 | 2 | 25 | 7 | 84.2 | 8.29 | 2.02 | 0.21 | .293 | 81.3% | 45.2% | 2.8% | 2.13 | 2.79 | 3.40 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.31 | 3.63 | 1.26 | .299 | 69.4% | 43.2% | 5.04 | 5.16 | 5.20 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 1 | 3.3 | 4.96 | 2.83 | 1.20 | .293 | 61.7% | 5.14 | 4.87 | 0.0 | ||||||||
| 2025 | KCR | AA | 23 | 0 | 1 | 0 | 5 | 0 | 9.2 | 8.38 | 4.66 | 0.93 | .333 | 61.6% | 46.4% | 9.1% | 6.52 | 5.03 | 5.25 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 1 | 0 | 1.0 | 6.40 | 3.08 | 1.08 | .298 | 71.3% | 4.31 | 4.37 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 1 | 3.1 | 4.99 | 3.01 | 1.27 | .291 | 61.9% | 5.27 | 5.03 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | KCR | DSL | 1 | 0 | 3.92 | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 20.2 | 82 | 18 | 9 | 9 | 1 | 3 | 0 | 2 | 1 | 0 | 25 | |
| 2022 | KCR | DSL | 0 | 0 | 0.53 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 17.0 | 63 | 13 | 2 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 22 | |
| 2022 | KCR | CPX | 1 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 15 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | |
| 2022 | KCR | A | 1 | 1 | 3.91 | 8 | 0 | 0 | 0 | 1 | 0 | 1 | 23.0 | 99 | 25 | 11 | 10 | 4 | 6 | 0 | 1 | 0 | 0 | 20 | |
| 2022 | KCR | MiLB | 2 | 1 | 2.25 | 14 | 5 | 0 | 0 | 1 | 0 | 1 | 44.0 | 177 | 40 | 13 | 11 | 4 | 9 | 0 | 1 | 0 | 0 | 50 | |
| 2023 | KCR | A | 5 | 2 | 3.15 | 23 | 6 | 0 | 0 | 2 | 0 | 0 | 71.1 | 289 | 65 | 32 | 25 | 1 | 12 | 0 | 5 | 1 | 3 | 66 | |
| 2024 | KCR | A+ | 6 | 0 | 2.13 | 25 | 7 | 0 | 0 | 2 | 3 | 0 | 84.2 | 337 | 70 | 20 | 20 | 2 | 19 | 0 | 6 | 2 | 0 | 78 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.14 | 1 | 1 | 0 | 0 | 0 | 3.3 | 13 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 2 | |||||
| 2025 | KCR | AA | 0 | 1 | 6.52 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 9.2 | 43 | 10 | 7 | 7 | 1 | 5 | 0 | 1 | 1 | 0 | 9 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.27 | 1 | 1 | 0 | 0 | 0 | 3.1 | 13 | 3 | 2 | 2 | 0 | 1 | 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 | 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 | KCR | DSL | 1 | 0 | 3.92 | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 20.2 | 82 | 18 | 9 | 9 | 1 | 3 | 0 | 2 | 1 | 0 | 25 | |
| 2022 | KCR | DSL | 0 | 0 | 0.53 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 17.0 | 63 | 13 | 2 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 22 | |
| 2022 | KCR | CPX | 1 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 15 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | |
| 2022 | KCR | A | 1 | 1 | 3.91 | 8 | 0 | 0 | 0 | 1 | 0 | 1 | 23.0 | 99 | 25 | 11 | 10 | 4 | 6 | 0 | 1 | 0 | 0 | 20 | |
| 2022 | KCR | MiLB | 2 | 1 | 2.25 | 14 | 5 | 0 | 0 | 1 | 0 | 1 | 44.0 | 177 | 40 | 13 | 11 | 4 | 9 | 0 | 1 | 0 | 0 | 50 | |
| 2023 | KCR | A | 5 | 2 | 3.15 | 23 | 6 | 0 | 0 | 2 | 0 | 0 | 71.1 | 289 | 65 | 32 | 25 | 1 | 12 | 0 | 5 | 1 | 3 | 66 | |
| 2024 | KCR | A+ | 6 | 0 | 2.13 | 25 | 7 | 0 | 0 | 2 | 3 | 0 | 84.2 | 337 | 70 | 20 | 20 | 2 | 19 | 0 | 6 | 2 | 0 | 78 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.14 | 1 | 1 | 0 | 0 | 0 | 3.3 | 13 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 2 | |||||
| 2025 | KCR | AA | 0 | 1 | 6.52 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 9.2 | 43 | 10 | 7 | 7 | 1 | 5 | 0 | 1 | 1 | 0 | 9 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.27 | 1 | 1 | 0 | 0 | 0 | 3.1 | 13 | 3 | 2 | 2 | 0 | 1 | 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 | KCR | DSL | 10.89 | 1.31 | 8.33 | 0.44 | 30.5% | 3.7% | 26.8% | .234 | 1.02 | .333 | 64.8% | 94 | 63 | 2.66 | ||||
| 2022 | KCR | DSL | 11.65 | 1.59 | 7.33 | 0.00 | 34.9% | 4.8% | 30.2% | .217 | 0.94 | .342 | 87.5% | 12 | 39 | 1.75 | ||||
| 2022 | KCR | CPX | 18.00 | 0.00 | 8.00 | 0.00 | 53.3% | 0.0% | 53.3% | .133 | 0.50 | .286 | 100.0% | 0 | 5 | 0.24 | ||||
| 2022 | KCR | A | 7.83 | 2.35 | 3.33 | 1.57 | 20.2% | 6.1% | 14.1% | .272 | 1.35 | .309 | 79.5% | 84 | 116 | 5.28 | ||||
| 2022 | KCR | MiLB | 10.23 | 1.84 | 5.56 | 0.82 | 28.2% | 5.1% | 23.2% | .240 | 1.11 | .319 | 83.3% | 49 | 76 | 3.46 | ||||
| 2023 | KCR | A | 8.33 | 1.51 | 5.50 | 0.13 | 22.8% | 4.2% | 18.7% | .239 | 1.08 | .312 | 62.0% | 72 | 64 | 2.75 | ||||
| 2024 | KCR | A+ | 8.29 | 2.02 | 4.11 | 0.21 | 23.1% | 5.6% | 17.5% | .224 | 1.05 | .293 | 81.3% | 54 | 70 | 2.79 | ||||
| 2025 | Steamer | PROJ | 5.31 | 3.63 | 1.46 | 1.26 | 13.2% | 9.0% | 4.2% | .279 | 1.52 | .299 | 69.4% | 5.16 | ||||||
| 2025 | OOPSY | PROJ | 4.96 | 2.83 | 1.75 | 1.20 | 13.6% | 7.8% | 5.9% | .275 | 1.33 | .293 | 61.7% | 4.87 | ||||||
| 2025 | KCR | AA | 8.38 | 4.66 | 1.80 | 0.93 | 20.9% | 11.6% | 9.3% | .270 | 1.55 | .333 | 61.6% | 147 | 115 | 5.03 | ||||
| 2025 | Steamer | ROS | 6.40 | 3.08 | 2.08 | 1.08 | 16.4% | 7.9% | 8.5% | .266 | 1.39 | .298 | 71.3% | 4.37 | ||||||
| 2025 | OOPSY | ROS | 4.99 | 3.01 | 1.66 | 1.27 | 13.5% | 8.2% | 5.4% | .275 | 1.36 | .291 | 61.9% | 5.03 |
| 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 | KCR | DSL | 10.89 | 1.31 | 8.33 | 0.44 | 30.5% | 3.7% | 26.8% | .234 | 1.02 | .333 | 64.8% | 94 | 63 | 2.66 | ||||
| 2022 | KCR | DSL | 11.65 | 1.59 | 7.33 | 0.00 | 34.9% | 4.8% | 30.2% | .217 | 0.94 | .342 | 87.5% | 12 | 39 | 1.75 | ||||
| 2022 | KCR | CPX | 18.00 | 0.00 | 8.00 | 0.00 | 53.3% | 0.0% | 53.3% | .133 | 0.50 | .286 | 100.0% | 0 | 5 | 0.24 | ||||
| 2022 | KCR | A | 7.83 | 2.35 | 3.33 | 1.57 | 20.2% | 6.1% | 14.1% | .272 | 1.35 | .309 | 79.5% | 84 | 116 | 5.28 | ||||
| 2022 | KCR | MiLB | 10.23 | 1.84 | 5.56 | 0.82 | 28.2% | 5.1% | 23.2% | .240 | 1.11 | .319 | 83.3% | 49 | 76 | 3.46 | ||||
| 2023 | KCR | A | 8.33 | 1.51 | 5.50 | 0.13 | 22.8% | 4.2% | 18.7% | .239 | 1.08 | .312 | 62.0% | 72 | 64 | 2.75 | ||||
| 2024 | KCR | A+ | 8.29 | 2.02 | 4.11 | 0.21 | 23.1% | 5.6% | 17.5% | .224 | 1.05 | .293 | 81.3% | 54 | 70 | 2.79 | ||||
| 2025 | Steamer | PROJ | 5.31 | 3.63 | 1.46 | 1.26 | 13.2% | 9.0% | 4.2% | .279 | 1.52 | .299 | 69.4% | 5.16 | ||||||
| 2025 | OOPSY | PROJ | 4.96 | 2.83 | 1.75 | 1.20 | 13.6% | 7.8% | 5.9% | .275 | 1.33 | .293 | 61.7% | 4.87 | ||||||
| 2025 | KCR | AA | 8.38 | 4.66 | 1.80 | 0.93 | 20.9% | 11.6% | 9.3% | .270 | 1.55 | .333 | 61.6% | 147 | 115 | 5.03 | ||||
| 2025 | Steamer | ROS | 6.40 | 3.08 | 2.08 | 1.08 | 16.4% | 7.9% | 8.5% | .266 | 1.39 | .298 | 71.3% | 4.37 | ||||||
| 2025 | OOPSY | ROS | 4.99 | 3.01 | 1.66 | 1.27 | 13.5% | 8.2% | 5.4% | .275 | 1.36 | .291 | 61.9% | 5.03 |
