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| Name | Team | Age |
| John Jackson | Retired (1987, Age 37) | Died (2023, Age 73) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 5 (1968) |
SP | R/R |
| League | Option Years
|
Majors Service Time |
| Joe Medwick League | 0 | 15 years (11 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 | 6/13/1950 | |
| WS Rings | WS Appearances | LCS Appearances |
| 2 | 5 | 7 |
| 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 | Opponent | W | L | GS | SV | BS | IP | H | R | ER | BB | SO | WHIP | ERA |
| Date | Transaction |
| 1987-11-01 | John Jackson has retired from the San Francisco Giants |
| 1984-04-13 | A trade has been completed between the Washington Free Masons and the San Francisco Giants. The San Francisco Giants receive John Jackson, Draft Pick 1985 Round 2 WAS (Narciso Gladding) from the Washington Free Masons in exchange for Draft Pick 1985 Round 1 SF (Johnny Haines). |
| 1983-04-01 | The Washington Free Masons have placed John Jackson on the trade block. |
| 1982-09-09 | John Jackson of the Washington Free Masons is injured and is expected to be out 10 days. |
| 1973-03-07 | The Washington Free Masons have promoted John Jackson to the major league team. |