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| Name | Team | Age |
| Johnny Mierkowicz | Retired (2168, Age 36) | Died (2197, Age 65) |
| Drafted | Position | Bats/Throws |
| Round 5, Pick 78 (2154) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Nomar Garciaparra League | 0 | 8 years (104 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 | 6/28/2132 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 1 | 3 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Date | Transaction |
| 2168-11-01 | Johnny Mierkowicz has retired from the Free Agency Pool |
| 2168-08-10 | The Boston Swamp Dogs have waived Johnny Mierkowicz. |
| 2168-04-01 | The Boston Swamp Dogs have promoted Bill Daley to the major league team. The Boston Swamp Dogs have designated Johnny Mierkowicz for assignment. |
| 2167-05-02 | Johnny Mierkowicz of the Boston Swamp Dogs is injured and is expected to be out 44 days. |
| 2166-04-26 | Johnny Mierkowicz of the Boston Swamp Dogs is injured and is expected to be out 5 days. |
| 2165-09-30 | Johnny Mierkowicz of the Boston Swamp Dogs is injured and is expected to be out 37 days. |
| 2163-04-27 | Johnny Mierkowicz of the Boston Swamp Dogs is injured and is expected to be out 19 days. |
| 2162-06-13 | The Boston Swamp Dogs have re-claimed Johnny Mierkowicz from the waiver wire. |
| 2162-06-13 | The Boston Swamp Dogs have designated Johnny Mierkowicz for assignment. |
| 2159-04-19 | The Boston Swamp Dogs have promoted Johnny Mierkowicz to the major league team. |
| 2154-06-28 | The Boston Swamp Dogs have acquired Johnny Mierkowicz from the waiver wire. |
| 2154-04-01 | The Houston Apaches have waived Johnny Mierkowicz. |