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| Name | Team | Age |
| John Duffee | Retired (2172, Age 36) | Died (2199, Age 63) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 2 (2154) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Ivan Rodriguez League | 0 | 14 years (45 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 | 1/27/2136 | |
| WS Rings | WS Appearances | LCS Appearances |
| 3 | 4 | 6 |
| 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 |
| 2172-11-01 | John Duffee has retired from the Toronto Cossacks |
| 2171-09-22 | John Duffee of the Toronto Cossacks is injured and is expected to be out 34 days. |
| 2159-04-01 | The Toronto Cossacks have promoted John Duffee to the major league team. The Toronto Cossacks have designated Fyodor Medvedev for assignment. |
| 2159-04-01 | The Toronto Cossacks have promoted Enmanuel Perez to the major league team. The Toronto Cossacks have promoted Burgess McBride to the major league team. The Toronto Cossacks have sent Ed Kelleher to the minors. The Toronto Cossacks have sent John Duffee to the minors. The Toronto Cossacks have designated Anton Korzhenyuk for assignment. |
| 2158-10-01 | The Toronto Cossacks have promoted John Duffee to the major league team. |
| 2156-06-09 | The Toronto Cossacks have sent John Duffee down to the minors. |
| 2156-06-04 | The Toronto Cossacks have promoted Greg Riles to the major league team. The Toronto Cossacks have sent John Duffee to the minors. |
| 2156-05-26 | The Toronto Cossacks have auto-promoted John Duffee to the major leagues. |
| 2154-04-08 | The Toronto Cossacks have promoted Mike Egan to the major league team. The Toronto Cossacks have sent John Duffee to the minors. |
| 2154-04-01 | The Toronto Cossacks have auto-promoted John Duffee to the major leagues. |
| 2153-04-01 | Trade #1269626 has been completed between the Minnesota Rangers and the Toronto Cossacks. The Toronto Cossacks receive Marv Allen, Al Glenn, Greg Riles, Draft Pick 2154 Round 1 MIN (John Duffee) from the Minnesota Rangers in exchange for Bill Tarver, Vitaly Vishnevsky, Alexey Mironenko. |