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| Name | Team | Age |
| Don Kiefer | Retired (2057, Age 33) | 40 |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 30 (2041) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Ralph Kiner League | 0 | 0 years (29 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 | 12/13/2023 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| 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 | Vs | G | IP | SO | BB | H | WHIP |
| 2046 | AHB | 10 | 12.1 | 12 | 11 | 16 | 2.19 |
| 2046 | HHB | 1 | 2.1 | 3 | 0 | 4 | 1.71 |
| 2046 | LHB | 9 | 6.0 | 4 | 2 | 11 | 2.17 |
| 2046 | RHB | 10 | 8.2 | 11 | 9 | 9 | 2.08 |
| 2064 | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2064 | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2064 | LHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2064 | RHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | AHB | 10 | 12.1 | 12 | 11 | 16 | 2.19 |
| Total | HHB | 1 | 2.1 | 3 | 0 | 4 | 1.71 |
| Total | LHB | 9 | 6.0 | 4 | 2 | 11 | 2.17 |
| Total | RHB | 10 | 8.2 | 11 | 9 | 9 | 2.08 |
| Total | 11 | 14.2 | 15 | 11 | 20 | 2.11 |
| Date | Transaction |
| 2057-11-01 | Don Kiefer has retired from the Free Agency Pool |
| 2051-04-01 | The Chicago Swooners have waived Don Kiefer. |
| 2050-05-10 | The Chicago Swooners have acquired Don Kiefer from the waiver wire. |
| 2049-04-01 | The Toronto Triceratops have waived Don Kiefer. |
| 2047-07-05 | The Toronto Triceratops have acquired Don Kiefer from the waiver wire. |
| 2047-04-05 | The Chicago Swooners have waived Don Kiefer. |
| 2046-10-03 | The Chicago Swooners have sent Kazuaki Enoki to the minors. The Chicago Swooners have sent Larry Josephson to the minors. The Chicago Swooners have sent Don Kiefer to the minors. The Chicago Swooners have sent Gabby McCoy to the minors. |
| 2046-09-12 | The Chicago Swooners have promoted Don Kiefer to the major league team. The Chicago Swooners have sent Myron Rosenberg to the minors. |
| 2046-07-30 | The Chicago Swooners have promoted Eddie Miklos to the major league team. The Chicago Swooners have sent Don Kiefer to the minors. |
| 2046-07-27 | The Chicago Swooners have promoted Don Kiefer to the major league team. The Chicago Swooners have waived James Bartholomew. |
| 2046-07-13 | The Chicago Swooners have promoted James Bartholomew to the major league team. The Chicago Swooners have sent Don Kiefer to the minors. |
| 2046-07-03 | The Chicago Swooners have promoted Don Kiefer to the major league team. The Chicago Swooners have sent Tommy Howard to the minors. |
| 2046-07-03 | The Chicago Swooners have acquired Don Kiefer from the waiver wire. |
| 2046-06-28 | The Milwaukee Brewers have waived Don Kiefer. |
| 2046-04-09 | The Milwaukee Brewers have acquired Don Kiefer from the waiver wire. |
| 2046-04-04 | The Arizona Vigilantes have waived Don Kiefer. |