John Klein
Minnesota Twins (AA)P
Age: 23
Bats/Throws: R/R
6'5" / 225
DOB: 4/22/2002
(23 years, 3 months, 12 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 | MIN | CPX | 20 | 0 | 0 | 0 | 2 | 0 | 2.0 | 9.00 | 4.50 | 0.00 | .167 | 100.0% | 16.7% | 0.0% | 0.00 | 3.33 | 4.67 | ||||||
| 2023 | MIN | CPX | 21 | 0 | 3 | 0 | 6 | 6 | 23.0 | 10.57 | 3.52 | 1.17 | .394 | 67.8% | 35.3% | 9.7% | 5.87 | 5.25 | 4.93 | ||||||
| 2023 | MIN | A | 21 | 2 | 1 | 0 | 6 | 6 | 30.1 | 8.90 | 3.86 | 0.30 | .227 | 73.6% | 56.0% | 6.3% | 2.97 | 3.84 | 4.05 | ||||||
| 2023 | MIN | A+ | 21 | 0 | 0 | 0 | 1 | 1 | 5.0 | 7.20 | 1.80 | 0.00 | .375 | 75.0% | 43.8% | 0.0% | 3.60 | 3.10 | 4.86 | ||||||
| 2023 | MIN | MiLB | 21 | 2 | 4 | 0 | 13 | 13 | 58.1 | 9.41 | 3.55 | 0.62 | .312 | 70.9% | 45.9% | 7.3% | 4.17 | 4.33 | 4.47 | ||||||
| 2024 | MIN | A+ | 22 | 8 | 3 | 0 | 22 | 20 | 100.1 | 8.07 | 3.41 | 0.81 | .313 | 71.4% | 38.3% | 7.9% | 4.57 | 4.16 | 4.24 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.50 | 4.14 | 1.55 | .295 | 68.2% | 40.6% | 5.67 | 5.72 | 5.50 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 1 | 4.5 | 5.25 | 4.03 | 1.48 | .283 | 64.7% | 5.62 | 5.63 | 0.0 | ||||||||
| 2025 | MIN | AA | 23 | 7 | 5 | 0 | 24 | 11 | 80.2 | 10.60 | 2.68 | 0.67 | .299 | 64.1% | 38.2% | 7.0% | 3.12 | 3.22 | 3.62 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.64 | 3.37 | 1.39 | .291 | 70.0% | 4.88 | 4.94 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 1 | 4.0 | 6.75 | 3.68 | 1.49 | .282 | 67.3% | 5.10 | 5.18 | 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 | MIN | CPX | 20 | 0 | 0 | 0 | 2 | 0 | 2.0 | 9.00 | 4.50 | 0.00 | .167 | 100.0% | 16.7% | 0.0% | 0.00 | 3.33 | 4.67 | ||||||
| 2023 | MIN | CPX | 21 | 0 | 3 | 0 | 6 | 6 | 23.0 | 10.57 | 3.52 | 1.17 | .394 | 67.8% | 35.3% | 9.7% | 5.87 | 5.25 | 4.93 | ||||||
| 2023 | MIN | A | 21 | 2 | 1 | 0 | 6 | 6 | 30.1 | 8.90 | 3.86 | 0.30 | .227 | 73.6% | 56.0% | 6.3% | 2.97 | 3.84 | 4.05 | ||||||
| 2023 | MIN | A+ | 21 | 0 | 0 | 0 | 1 | 1 | 5.0 | 7.20 | 1.80 | 0.00 | .375 | 75.0% | 43.8% | 0.0% | 3.60 | 3.10 | 4.86 | ||||||
| 2023 | MIN | MiLB | 21 | 2 | 4 | 0 | 13 | 13 | 58.1 | 9.41 | 3.55 | 0.62 | .312 | 70.9% | 45.9% | 7.3% | 4.17 | 4.33 | 4.47 | ||||||
| 2024 | MIN | A+ | 22 | 8 | 3 | 0 | 22 | 20 | 100.1 | 8.07 | 3.41 | 0.81 | .313 | 71.4% | 38.3% | 7.9% | 4.57 | 4.16 | 4.24 | ||||||
| 2025 | Steamer | PROJ | 23 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5.50 | 4.14 | 1.55 | .295 | 68.2% | 40.6% | 5.67 | 5.72 | 5.50 | 0.0 | ||||||
| 2025 | OOPSY | PROJ | 23 | 0 | 0 | 0 | 1 | 1 | 4.5 | 5.25 | 4.03 | 1.48 | .283 | 64.7% | 5.62 | 5.63 | 0.0 | ||||||||
| 2025 | MIN | AA | 23 | 7 | 5 | 0 | 24 | 11 | 80.2 | 10.60 | 2.68 | 0.67 | .299 | 64.1% | 38.2% | 7.0% | 3.12 | 3.22 | 3.62 | ||||||
| 2025 | Steamer | ROS | 0 | 0 | 0 | 0 | 0 | 1.0 | 6.64 | 3.37 | 1.39 | .291 | 70.0% | 4.88 | 4.94 | 0.0 | |||||||||
| 2025 | OOPSY | ROS | 23 | 0 | 0 | 0 | 1 | 1 | 4.0 | 6.75 | 3.68 | 1.49 | .282 | 67.3% | 5.10 | 5.18 | 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 | MIN | CPX | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 9 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | |
| 2023 | MIN | CPX | 0 | 3 | 5.87 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 23.0 | 111 | 29 | 17 | 15 | 3 | 9 | 0 | 6 | 2 | 0 | 27 | |
| 2023 | MIN | A | 2 | 1 | 2.97 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | 30.1 | 122 | 18 | 10 | 10 | 1 | 13 | 0 | 3 | 0 | 1 | 30 | |
| 2023 | MIN | A+ | 0 | 0 | 3.60 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 22 | 6 | 2 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 4 | |
| 2023 | MIN | MiLB | 2 | 4 | 4.17 | 13 | 13 | 1 | 0 | 0 | 0 | 0 | 58.1 | 255 | 53 | 29 | 27 | 4 | 23 | 0 | 10 | 3 | 1 | 61 | |
| 2024 | MIN | A+ | 8 | 3 | 4.57 | 22 | 20 | 0 | 0 | 0 | 0 | 0 | 100.1 | 441 | 102 | 51 | 51 | 9 | 38 | 0 | 7 | 3 | 0 | 90 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.67 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.62 | 1 | 1 | 0 | 0 | 0 | 4.5 | 20 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 3 | |||||
| 2025 | MIN | AA | 7 | 5 | 3.12 | 24 | 11 | 0 | 0 | 0 | 1 | 1 | 80.2 | 347 | 70 | 42 | 28 | 6 | 24 | 0 | 8 | 4 | 0 | 95 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.88 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.10 | 1 | 1 | 0 | 0 | 0 | 4.0 | 17 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 3 |
| 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 | MIN | CPX | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 9 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | |
| 2023 | MIN | CPX | 0 | 3 | 5.87 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 23.0 | 111 | 29 | 17 | 15 | 3 | 9 | 0 | 6 | 2 | 0 | 27 | |
| 2023 | MIN | A | 2 | 1 | 2.97 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | 30.1 | 122 | 18 | 10 | 10 | 1 | 13 | 0 | 3 | 0 | 1 | 30 | |
| 2023 | MIN | A+ | 0 | 0 | 3.60 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 22 | 6 | 2 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 4 | |
| 2023 | MIN | MiLB | 2 | 4 | 4.17 | 13 | 13 | 1 | 0 | 0 | 0 | 0 | 58.1 | 255 | 53 | 29 | 27 | 4 | 23 | 0 | 10 | 3 | 1 | 61 | |
| 2024 | MIN | A+ | 8 | 3 | 4.57 | 22 | 20 | 0 | 0 | 0 | 0 | 0 | 100.1 | 441 | 102 | 51 | 51 | 9 | 38 | 0 | 7 | 3 | 0 | 90 | |
| 2025 | Steamer | PROJ | 0 | 0 | 5.67 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |||
| 2025 | OOPSY | PROJ | 0 | 0 | 5.62 | 1 | 1 | 0 | 0 | 0 | 4.5 | 20 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 3 | |||||
| 2025 | MIN | AA | 7 | 5 | 3.12 | 24 | 11 | 0 | 0 | 0 | 1 | 1 | 80.2 | 347 | 70 | 42 | 28 | 6 | 24 | 0 | 8 | 4 | 0 | 95 | |
| 2025 | Steamer | ROS | 0 | 0 | 4.88 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | ||||
| 2025 | OOPSY | ROS | 0 | 0 | 5.10 | 1 | 1 | 0 | 0 | 0 | 4.0 | 17 | 4 | 2 | 2 | 1 | 2 | 0 | 0 | 3 |
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 | MIN | CPX | 9.00 | 4.50 | 2.00 | 0.00 | 22.2% | 11.1% | 11.1% | .125 | 1.00 | .167 | 100.0% | 0 | 77 | 3.33 | ||||
| 2023 | MIN | CPX | 10.57 | 3.52 | 3.00 | 1.17 | 24.3% | 8.1% | 16.2% | .302 | 1.65 | .394 | 67.8% | 122 | 105 | 5.25 | ||||
| 2023 | MIN | A | 8.90 | 3.86 | 2.31 | 0.30 | 24.6% | 10.7% | 13.9% | .170 | 1.02 | .227 | 73.6% | 65 | 84 | 3.84 | ||||
| 2023 | MIN | A+ | 7.20 | 1.80 | 4.00 | 0.00 | 18.2% | 4.5% | 13.6% | .300 | 1.40 | .375 | 75.0% | 88 | 74 | 3.10 | ||||
| 2023 | MIN | MiLB | 9.41 | 3.55 | 2.65 | 0.62 | 23.9% | 9.0% | 14.9% | .239 | 1.30 | .312 | 70.9% | 89 | 91 | 4.33 | ||||
| 2024 | MIN | A+ | 8.07 | 3.41 | 2.37 | 0.81 | 20.4% | 8.6% | 11.8% | .258 | 1.40 | .313 | 71.4% | 115 | 103 | 4.16 | ||||
| 2025 | Steamer | PROJ | 5.50 | 4.14 | 1.33 | 1.55 | 13.4% | 10.1% | 3.3% | .280 | 1.59 | .295 | 68.2% | 5.72 | ||||||
| 2025 | OOPSY | PROJ | 5.25 | 4.03 | 1.30 | 1.48 | 13.2% | 10.2% | 3.1% | .271 | 1.51 | .283 | 64.7% | 5.63 | ||||||
| 2025 | MIN | AA | 10.60 | 2.68 | 3.96 | 0.67 | 27.4% | 6.9% | 20.5% | .222 | 1.17 | .299 | 64.1% | 73 | 77 | 3.22 | ||||
| 2025 | Steamer | ROS | 6.64 | 3.37 | 1.97 | 1.39 | 16.8% | 8.5% | 8.3% | .265 | 1.42 | .291 | 70.0% | 4.94 | ||||||
| 2025 | OOPSY | ROS | 6.75 | 3.68 | 1.84 | 1.49 | 17.2% | 9.4% | 7.8% | .258 | 1.42 | .282 | 67.3% | 5.18 |
| 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 | MIN | CPX | 9.00 | 4.50 | 2.00 | 0.00 | 22.2% | 11.1% | 11.1% | .125 | 1.00 | .167 | 100.0% | 0 | 77 | 3.33 | ||||
| 2023 | MIN | CPX | 10.57 | 3.52 | 3.00 | 1.17 | 24.3% | 8.1% | 16.2% | .302 | 1.65 | .394 | 67.8% | 122 | 105 | 5.25 | ||||
| 2023 | MIN | A | 8.90 | 3.86 | 2.31 | 0.30 | 24.6% | 10.7% | 13.9% | .170 | 1.02 | .227 | 73.6% | 65 | 84 | 3.84 | ||||
| 2023 | MIN | A+ | 7.20 | 1.80 | 4.00 | 0.00 | 18.2% | 4.5% | 13.6% | .300 | 1.40 | .375 | 75.0% | 88 | 74 | 3.10 | ||||
| 2023 | MIN | MiLB | 9.41 | 3.55 | 2.65 | 0.62 | 23.9% | 9.0% | 14.9% | .239 | 1.30 | .312 | 70.9% | 89 | 91 | 4.33 | ||||
| 2024 | MIN | A+ | 8.07 | 3.41 | 2.37 | 0.81 | 20.4% | 8.6% | 11.8% | .258 | 1.40 | .313 | 71.4% | 115 | 103 | 4.16 | ||||
| 2025 | Steamer | PROJ | 5.50 | 4.14 | 1.33 | 1.55 | 13.4% | 10.1% | 3.3% | .280 | 1.59 | .295 | 68.2% | 5.72 | ||||||
| 2025 | OOPSY | PROJ | 5.25 | 4.03 | 1.30 | 1.48 | 13.2% | 10.2% | 3.1% | .271 | 1.51 | .283 | 64.7% | 5.63 | ||||||
| 2025 | MIN | AA | 10.60 | 2.68 | 3.96 | 0.67 | 27.4% | 6.9% | 20.5% | .222 | 1.17 | .299 | 64.1% | 73 | 77 | 3.22 | ||||
| 2025 | Steamer | ROS | 6.64 | 3.37 | 1.97 | 1.39 | 16.8% | 8.5% | 8.3% | .265 | 1.42 | .291 | 70.0% | 4.94 | ||||||
| 2025 | OOPSY | ROS | 6.75 | 3.68 | 1.84 | 1.49 | 17.2% | 9.4% | 7.8% | .258 | 1.42 | .282 | 67.3% | 5.18 |
