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| Name | Team | Age |
| Dewey Hahn | Retired (2031, Age 36) | Died (2068, Age 73) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 4 (2018) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Walter Johnson League | 0 | 13 years (17 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 8/27/1995 | |
| WS Rings | WS Appearances | LCS Appearances |
| 2 | 4 | 5 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year | Type
|
Chances
|
Endurance | Velocity | Control | Total |
| 2018 | Minors | 14.00 | 1 / 1 | 1 / 8 | 1 / 5 | 3 / 14 |
| 2018 | Majors | 6.42 | 0 / 0 | 0 / 3 | 1 / 3 | 1 / 6 |
| 2019 | Majors | 43.07 | 3 / 8 | 4 / 16 | 3 / 19 | 10 / 43 |
| 2020 | Majors | 40.31 | 4 / 7 | 3 / 15 | 3 / 18 | 10 / 40 |
| 2021 | Majors | 34.86 | 1 / 4 | 0 / 16 | 2 / 14 | 3 / 34 |
| 2022 | Majors | 36.67 | 3 / 4 | 0 / 17 | 1 / 15 | 4 / 36 |
| 2023 | Majors | 36.86 | 1 / 4 | 1 / 18 | 1 / 14 | 3 / 36 |
| 2024 | Majors | 33.93 | 0 / 4 | 0 / 15 | 1 / 14 | 1 / 33 |
| 2025 | Majors | 39.18 | 0 / 5 | 0 / 24 | 0 / 10 | 0 / 39 |
| 2026 | Majors | 35.28 | 1 / 4 | 1 / 12 | 0 / 19 | 2 / 35 |
| 2027 | Majors | 18.59 | 0 / 0 | 0 / 11 | 0 / 7 | 0 / 18 |
| 2028 | Majors | 14.19 | 0 / 0 | 0 / 8 | 0 / 6 | 0 / 14 |
| 2029 | Majors | 47.97 | 0 / 13 | 0 / 21 | 0 / 13 | 0 / 47 |
| 2030 | Majors | 46.04 | 0 / 10 | 0 / 21 | 0 / 15 | 0 / 46 |
| 2031 | Majors | 47.16 | -1 / 9 | 0 / 23 | -3 / 15 | -4 / 47 |
| Total | 13 / 73 | 10 / 228 | 10 / 187 | 33 / 488 |
| Date | Transaction |
| 2031-11-01 | Dewey Hahn has retired from the Philadelphia Athletics |
| 2025-07-03 | A trade has been completed between the Montreal Expos and the Philadelphia Athletics. The Philadelphia Athletics receive Dewey Hahn, Tom Skaff, Ricardo McGeachy from the Montreal Expos in exchange for Terrence Palmeiro, Neal Gentry, Cy Lewis. |
| 2025-07-02 | Dewey Hahn of the Montreal Expos is injured and is expected to be out 15 days. |
| 2019-04-01 | The Detroit Bashers have promoted Dewey Hahn to the major league team. The Detroit Bashers have promoted Jim Land to the major league team. The Detroit Bashers have designated Jay Kramer for assignment. The Detroit Bashers have sent Bill Ames to the minors. |
| 2018-06-21 | The Detroit Bashers have sent Dewey Hahn to the minors. |
| 2018-05-25 | The Detroit Bashers have promoted Dewey Hahn to the major league team. |