John Klein
John Joseph Klein
Born: April 22, 2002
Brooklyn Park, MN US
Primary Position: Pitcher
Bats: Right
Throws: Right
Height: 6'5"
Weight: 225
Career: 2022-2025
John Klein compiled a career record of 17 wins and 14 losses and a 4.06 ERA in his 62-game pitching career with the Twins, Cedar Rapids Kernels, Fort Myers Mighty Mussels, Wichita Wind Surge and St. Paul Saints. He began playing during the 2022 season and last took the field during the 2025 campaign.
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Pitching:
| Year | Level | Lg | Team | W | L | W% | ERA | G | GS | GF | CG | SHO | SV | IP | H | R | ER | HR | BB | IBB | SO | HBP | BK | WP | BF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | R | FLCL | Twins | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 9 | |
| 2023 | Advanced A | MIDW | Cedar Rapids Kernels | 0 | 0 | 3.60 | 1 | 1 | 0 | 0 | 0 | 0 | 5.0 | 6 | 2 | 2 | 0 | 1 | 0 | 4 | 1 | 0 | 1 | 22 | |
| 2023 | R | FLCL | Twins | 0 | 3 | .000 | 5.87 | 6 | 6 | 0 | 0 | 0 | 0 | 23.0 | 29 | 17 | 15 | 3 | 9 | 0 | 27 | 6 | 0 | 2 | 111 |
| 2023 | A | FLOR | Fort Myers Mighty Mussels | 2 | 1 | .667 | 2.97 | 6 | 6 | 0 | 1 | 0 | 0 | 30.3 | 18 | 10 | 10 | 1 | 13 | 0 | 30 | 3 | 1 | 0 | 122 |
| 2024 | Advanced A | MIDW | Cedar Rapids Kernels | 8 | 3 | .727 | 4.57 | 22 | 20 | 0 | 0 | 0 | 0 | 100.3 | 102 | 51 | 51 | 9 | 38 | 0 | 90 | 7 | 0 | 3 | 441 |
| 2025 | AAA | IL | St. Paul Saints | 0 | 5 | .000 | 6.66 | 7 | 4 | 0 | 0 | 0 | 0 | 25.7 | 26 | 20 | 19 | 1 | 13 | 0 | 33 | 3 | 0 | 2 | 117 |
| 2025 | AA | TL | Wichita Wind Surge | 7 | 5 | .583 | 3.12 | 24 | 11 | 0 | 0 | 0 | 0 | 80.7 | 70 | 42 | 28 | 6 | 24 | 0 | 95 | 8 | 0 | 4 | 347 |
| Totals | 17 | 14 | .548 | 4.06 | 62 | 42 | 0 | 1 | 0 | 0 | 244.0 | 223 | 125 | 110 | 17 | 90 | 0 | 254 | 22 | 1 | 10 | 1058 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | R | FLCL | Twins | P | 2 | 0 | 0 | 0 | 0 | .000 | |
| 2023 | A | FLOR | Fort Myers Mighty Mussels | P | 6 | 1 | 4 | 0 | 0 | 1.000 | .833 |
| 2023 | R | FLCL | Twins | P | 6 | 0 | 0 | 0 | 0 | .000 | |
| 2023 | Advanced A | MIDW | Cedar Rapids Kernels | P | 1 | 0 | 2 | 0 | 0 | 1.000 | 2.000 |
| 2024 | Advanced A | MIDW | Cedar Rapids Kernels | P | 22 | 4 | 2 | 0 | 0 | 1.000 | .273 |
| 2025 | AAA | IL | St. Paul Saints | P | 7 | 1 | 0 | 0 | 0 | 1.000 | .143 |
| 2025 | AA | TL | Wichita Wind Surge | P | 24 | 1 | 3 | 6 | 0 | .400 | .167 |
| Totals | 60 | 7 | 11 | 6 | 0 | .750 | .300 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2022 | R | Florida Complex League | Twins | MIN | August 13, 2022 | August 20, 2022 |
| 2023 | R | Florida Complex League | Twins | MIN | June 10, 2023 | August 5, 2023 |
| 2023 | A | Florida State League | Fort Myers Mighty Mussels | MIN | July 9, 2023 | September 1, 2023 |
| 2023 | Advanced A | Midwest League | Cedar Rapids Kernels | MIN | September 9, 2023 | September 9, 2023 |
| 2024 | Advanced A | Midwest League | Cedar Rapids Kernels | MIN | April 6, 2024 | September 4, 2024 |
| 2025 | AA | Texas League | Wichita Wind Surge | MIN | April 6, 2025 | July 31, 2025 |
| 2025 | AAA | International League | St. Paul Saints | MIN | August 6, 2025 | September 17, 2025 |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.
