Ethan Bosacker
Kansas City Royals (AA)P
Age: 24
Bats/Throws: R/R
6'2" / 210
DOB: 2/20/2001
(24 years, 2 months, 10 days)
P
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Preseason ProjectionsIn-Season ProjectionsMinor LeaguesCollege
| 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 | XAV | NCAA | 20 | 4 | 3 | 0 | 12 | 10 | 62.0 | 7.84 | 3.48 | 1.16 | .262 | 83.1% | 3.34 | 4.83 | |||||||||
| 2023 | XAV | NCAA | 22 | 8 | 3 | 0 | 16 | 16 | 98.0 | 9.28 | 2.66 | 1.19 | .279 | 78.8% | 3.49 | 4.06 | |||||||||
| 2023 | KCR | CPX | 22 | 0 | 0 | 0 | 2 | 0 | 1.2 | 10.80 | 5.40 | 0.00 | .571 | 60.0% | 28.6% | 0.0% | 10.80 | 4.33 | 6.18 | ||||||
| 2024 | KCR | A | 23 | 6 | 2 | 1 | 15 | 9 | 74.1 | 7.14 | 2.06 | 0.48 | .283 | 73.0% | 34.8% | 4.3% | 2.78 | 3.46 | 3.90 | ||||||
| 2024 | KCR | A+ | 23 | 7 | 1 | 0 | 9 | 9 | 50.1 | 6.62 | 1.97 | 0.18 | .248 | 77.7% | 38.0% | 1.6% | 1.97 | 3.00 | 4.10 | ||||||
| 2024 | KCR | MiLB | 23 | 13 | 3 | 1 | 24 | 18 | 124.2 | 6.93 | 2.02 | 0.36 | .269 | 74.8% | 36.1% | 3.2% | 2.45 | 3.27 | 3.98 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.73 | 3.57 | 1.59 | .296 | 67.4% | 38.1% | 5.75 | 5.73 | 5.64 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 5.1 | 3.53 | 3.06 | 1.48 | .289 | 56.1% | 6.11 | 5.67 | 0.0 | ||||||||
| 2025 | KCR | AA | 24 | 1 | 2 | 0 | 4 | 4 | 21.0 | 6.00 | 3.43 | 1.71 | .254 | 64.1% | 40.0% | 20.0% | 5.57 | 6.11 | 4.93 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.01 | 3.11 | 1.47 | .295 | 68.0% | 5.35 | 5.26 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 1 | 5.1 | 3.65 | 3.17 | 1.50 | .287 | 57.5% | 6.07 | 5.71 | 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 | XAV | NCAA | 20 | 4 | 3 | 0 | 12 | 10 | 62.0 | 7.84 | 3.48 | 1.16 | .262 | 83.1% | 3.34 | 4.83 | |||||||||
| 2023 | XAV | NCAA | 22 | 8 | 3 | 0 | 16 | 16 | 98.0 | 9.28 | 2.66 | 1.19 | .279 | 78.8% | 3.49 | 4.06 | |||||||||
| 2023 | KCR | CPX | 22 | 0 | 0 | 0 | 2 | 0 | 1.2 | 10.80 | 5.40 | 0.00 | .571 | 60.0% | 28.6% | 0.0% | 10.80 | 4.33 | 6.18 | ||||||
| 2024 | KCR | A | 23 | 6 | 2 | 1 | 15 | 9 | 74.1 | 7.14 | 2.06 | 0.48 | .283 | 73.0% | 34.8% | 4.3% | 2.78 | 3.46 | 3.90 | ||||||
| 2024 | KCR | A+ | 23 | 7 | 1 | 0 | 9 | 9 | 50.1 | 6.62 | 1.97 | 0.18 | .248 | 77.7% | 38.0% | 1.6% | 1.97 | 3.00 | 4.10 | ||||||
| 2024 | KCR | MiLB | 23 | 13 | 3 | 1 | 24 | 18 | 124.2 | 6.93 | 2.02 | 0.36 | .269 | 74.8% | 36.1% | 3.2% | 2.45 | 3.27 | 3.98 | ||||||
| 2025 | Steamer | PROJ | 24 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4.73 | 3.57 | 1.59 | .296 | 67.4% | 38.1% | 5.75 | 5.73 | 5.64 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 24 | 0 | 0 | 0 | 1 | 1 | 5.1 | 3.53 | 3.06 | 1.48 | .289 | 56.1% | 6.11 | 5.67 | 0.0 | ||||||||
| 2025 | KCR | AA | 24 | 1 | 2 | 0 | 4 | 4 | 21.0 | 6.00 | 3.43 | 1.71 | .254 | 64.1% | 40.0% | 20.0% | 5.57 | 6.11 | 4.93 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.01 | 3.11 | 1.47 | .295 | 68.0% | 5.35 | 5.26 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 24 | 0 | 0 | 0 | 1 | 1 | 5.1 | 3.65 | 3.17 | 1.50 | .287 | 57.5% | 6.07 | 5.71 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesCollege
| 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 | XAV | NCAA | 4 | 3 | 3.34 | 12 | 10 | 0 | 0 | 0 | 62.0 | 265 | 52 | 24 | 23 | 8 | 24 | 11 | 6 | 0 | 54 | ||||
| 2023 | XAV | NCAA | 8 | 3 | 3.49 | 16 | 16 | 2 | 1 | 0 | 98.0 | 400 | 82 | 40 | 38 | 13 | 29 | 10 | 4 | 0 | 101 | ||||
| 2023 | KCR | CPX | 0 | 0 | 10.80 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1.2 | 10 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | |
| 2024 | KCR | A | 6 | 2 | 2.78 | 15 | 9 | 0 | 0 | 1 | 0 | 0 | 74.1 | 301 | 66 | 27 | 23 | 4 | 17 | 1 | 2 | 3 | 0 | 59 | |
| 2024 | KCR | A+ | 7 | 1 | 1.97 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 50.1 | 192 | 36 | 12 | 11 | 1 | 11 | 0 | 2 | 1 | 0 | 37 | |
| 2024 | KCR | MiLB | 13 | 3 | 2.45 | 24 | 18 | 0 | 0 | 1 | 0 | 0 | 124.2 | 493 | 102 | 39 | 34 | 5 | 28 | 1 | 4 | 4 | 0 | 96 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.11 | 1 | 1 | 0 | 0 | 0 | 5.1 | 20 | 5 | 4 | 3 | 1 | 2 | 0 | 0 | 2 | |||||
| 2025 | KCR | AA | 1 | 2 | 5.57 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 21.0 | 90 | 20 | 14 | 13 | 4 | 8 | 0 | 1 | 1 | 1 | 14 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 6.07 | 1 | 1 | 0 | 0 | 0 | 5.1 | 21 | 5 | 4 | 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 | 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 | XAV | NCAA | 4 | 3 | 3.34 | 12 | 10 | 0 | 0 | 0 | 62.0 | 265 | 52 | 24 | 23 | 8 | 24 | 11 | 6 | 0 | 54 | ||||
| 2023 | XAV | NCAA | 8 | 3 | 3.49 | 16 | 16 | 2 | 1 | 0 | 98.0 | 400 | 82 | 40 | 38 | 13 | 29 | 10 | 4 | 0 | 101 | ||||
| 2023 | KCR | CPX | 0 | 0 | 10.80 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1.2 | 10 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | |
| 2024 | KCR | A | 6 | 2 | 2.78 | 15 | 9 | 0 | 0 | 1 | 0 | 0 | 74.1 | 301 | 66 | 27 | 23 | 4 | 17 | 1 | 2 | 3 | 0 | 59 | |
| 2024 | KCR | A+ | 7 | 1 | 1.97 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 50.1 | 192 | 36 | 12 | 11 | 1 | 11 | 0 | 2 | 1 | 0 | 37 | |
| 2024 | KCR | MiLB | 13 | 3 | 2.45 | 24 | 18 | 0 | 0 | 1 | 0 | 0 | 124.2 | 493 | 102 | 39 | 34 | 5 | 28 | 1 | 4 | 4 | 0 | 96 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 6.11 | 1 | 1 | 0 | 0 | 0 | 5.1 | 20 | 5 | 4 | 3 | 1 | 2 | 0 | 0 | 2 | |||||
| 2025 | KCR | AA | 1 | 2 | 5.57 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 21.0 | 90 | 20 | 14 | 13 | 4 | 8 | 0 | 1 | 1 | 1 | 14 | |
| 2025 | Steamer | ROS | 0 | 0 | 5.35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 6.07 | 1 | 1 | 0 | 0 | 0 | 5.1 | 21 | 5 | 4 | 3 | 1 | 2 | 0 | 0 | 2 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAveragesCollege
| 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 | XAV | NCAA | 7.84 | 3.48 | 2.25 | 1.16 | 20.4% | 9.1% | 11.3% | .226 | 1.23 | .262 | 83.1% | 4.83 | ||||||
| 2023 | XAV | NCAA | 9.28 | 2.66 | 3.48 | 1.19 | 25.3% | 7.2% | 18.0% | .227 | 1.13 | .279 | 78.8% | 4.06 | ||||||
| 2023 | KCR | CPX | 10.80 | 5.40 | 2.00 | 0.00 | 20.0% | 10.0% | 10.0% | .444 | 3.00 | .571 | 60.0% | 180 | 74 | 4.33 | ||||
| 2024 | KCR | A | 7.14 | 2.06 | 3.47 | 0.48 | 19.6% | 5.6% | 14.0% | .234 | 1.12 | .283 | 73.0% | 69 | 87 | 3.46 | ||||
| 2024 | KCR | A+ | 6.62 | 1.97 | 3.36 | 0.18 | 19.3% | 5.7% | 13.5% | .201 | 0.93 | .248 | 77.7% | 50 | 75 | 3.00 | ||||
| 2024 | KCR | MiLB | 6.93 | 2.02 | 3.43 | 0.36 | 19.5% | 5.7% | 13.8% | .221 | 1.04 | .269 | 74.8% | 61 | 83 | 3.27 | ||||
| 2025 | Steamer | PROJ | 4.73 | 3.57 | 1.32 | 1.59 | 11.6% | 8.8% | 2.9% | .288 | 1.57 | .296 | 67.4% | 5.73 | ||||||
| 2025 | OOPSY | PROJ | 3.53 | 3.06 | 1.16 | 1.48 | 9.8% | 8.5% | 1.3% | .290 | 1.39 | .289 | 56.1% | 5.67 | ||||||
| 2025 | KCR | AA | 6.00 | 3.43 | 1.75 | 1.71 | 15.6% | 8.9% | 6.7% | .247 | 1.33 | .254 | 64.1% | 126 | 140 | 6.11 | ||||
| 2025 | Steamer | ROS | 5.01 | 3.11 | 1.61 | 1.47 | 12.5% | 7.8% | 4.7% | .283 | 1.49 | .295 | 68.0% | 5.26 | ||||||
| 2025 | OOPSY | ROS | 3.65 | 3.17 | 1.15 | 1.50 | 9.9% | 8.6% | 1.3% | .288 | 1.42 | .287 | 57.5% | 5.71 |
| 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 | XAV | NCAA | 7.84 | 3.48 | 2.25 | 1.16 | 20.4% | 9.1% | 11.3% | .226 | 1.23 | .262 | 83.1% | 4.83 | ||||||
| 2023 | XAV | NCAA | 9.28 | 2.66 | 3.48 | 1.19 | 25.3% | 7.2% | 18.0% | .227 | 1.13 | .279 | 78.8% | 4.06 | ||||||
| 2023 | KCR | CPX | 10.80 | 5.40 | 2.00 | 0.00 | 20.0% | 10.0% | 10.0% | .444 | 3.00 | .571 | 60.0% | 180 | 74 | 4.33 | ||||
| 2024 | KCR | A | 7.14 | 2.06 | 3.47 | 0.48 | 19.6% | 5.6% | 14.0% | .234 | 1.12 | .283 | 73.0% | 69 | 87 | 3.46 | ||||
| 2024 | KCR | A+ | 6.62 | 1.97 | 3.36 | 0.18 | 19.3% | 5.7% | 13.5% | .201 | 0.93 | .248 | 77.7% | 50 | 75 | 3.00 | ||||
| 2024 | KCR | MiLB | 6.93 | 2.02 | 3.43 | 0.36 | 19.5% | 5.7% | 13.8% | .221 | 1.04 | .269 | 74.8% | 61 | 83 | 3.27 | ||||
| 2025 | Steamer | PROJ | 4.73 | 3.57 | 1.32 | 1.59 | 11.6% | 8.8% | 2.9% | .288 | 1.57 | .296 | 67.4% | 5.73 | ||||||
| 2025 | OOPSY | PROJ | 3.53 | 3.06 | 1.16 | 1.48 | 9.8% | 8.5% | 1.3% | .290 | 1.39 | .289 | 56.1% | 5.67 | ||||||
| 2025 | KCR | AA | 6.00 | 3.43 | 1.75 | 1.71 | 15.6% | 8.9% | 6.7% | .247 | 1.33 | .254 | 64.1% | 126 | 140 | 6.11 | ||||
| 2025 | Steamer | ROS | 5.01 | 3.11 | 1.61 | 1.47 | 12.5% | 7.8% | 4.7% | .283 | 1.49 | .295 | 68.0% | 5.26 | ||||||
| 2025 | OOPSY | ROS | 3.65 | 3.17 | 1.15 | 1.50 | 9.9% | 8.6% | 1.3% | .288 | 1.42 | .287 | 57.5% | 5.71 |
