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Name Team Age
John Williamson Retired (2026, Age 35) Died (2063, Age 72)
Drafted Position Bats/Throws
Round 3, Pick 47
(2014)		 RP R/R
League Option Years   Majors Service Time
George Van Haltren League 0 1 years (30 games)
Total Rating   Arm Range
B- C- D+
Contact vs R Contact vs L Speed
F  F  D+
Power vs R Power vs L Bunting
D- D- A+
Endurance Velocity Control
D  B  B-
Leadership   Mentor Value  
C- B-
Health   Injured Days   Birthday
C- 0 7/21/1991
WS Rings WS Appearances LCS Appearances
0 0 0
Alt Pos (---) Alt Pos (---) Alt Pos (---)
F  (0.0 %) F  (0.0 %) F  (0.0 %)

Stats  |   Splits  |   Playoffs  |   Energy  |   Improvements  |   Past Skills  |   Awards   |  Batting   |  Fielding   |  Game Log
 Skill grades calculated using approximate current ratings minus past improvements.
Year  Endurance   Velocity   Control 
2014D B C 
2015D B C 
2016D B C 
2017D B C+
2018D B C+
2019D B C+
2020D B+C+
2021D B+C+
2022D B+B-
2023D B+B-
2024D B+B-
2025D B+B-
2026D B B-
Career Transactions
DateTransaction
2026-11-01John Williamson has retired from the Free Agency Pool
2026-03-01The Oakland Baysiders have promoted Andrew Mullen to the major league team. The Oakland Baysiders have waived John Williamson.
2025-07-21John Williamson of the Oakland Bayfish is injured and is expected to be out 6 days.
2025-04-30John Williamson of the Oakland Bayfish is injured and is expected to be out 23 days.
2025-03-07The Oakland Bayfish have sent Scott Hacker to the minors. The Oakland Bayfish have designated Chris Baker for assignment. The Oakland Bayfish have designated Tokichi Akune for assignment. The Oakland Bayfish have designated Mike Hodges for assignment. The Oakland Bayfish have designated Jim Hillman for assignment. The Oakland Bayfish have sent Rick Whitehouse to the minors. The Oakland Bayfish have sent Joe Sullivan to the minors. The Oakland Bayfish have sent John Nold to the minors. The Oakland Bayfish have designated Tommy Davis for assignment. The Oakland Bayfish have designated Junior Gilman for assignment. The Oakland Bayfish have designated Gus Eisenstat for assignment. The Oakland Bayfish have promoted John Williamson to the major league team.
2024-09-02The Oakland Bayfish have acquired John Williamson from the waiver wire.
2021-04-06The Toronto Fusion have waived John Williamson.
2020-10-03The Toronto Atomic Robots have promoted Hector Jurewicz to the major league team. The Toronto Atomic Robots have designated John Williamson for assignment.
2020-09-22The Toronto Atomic Robots have promoted John Williamson to the major league team.
2020-09-22The Toronto Atomic Robots have acquired John Williamson from the waiver wire.
2019-04-01The Toronto Atomic Robots have waived John Williamson.
2019-03-07The Toronto Atomic Robots have designated Aaron Luna for assignment. The Toronto Atomic Robots have designated Jack Willis for assignment. The Toronto Atomic Robots have sent John Williamson to the minors. The Toronto Atomic Robots have sent Don Mauch to the minors. The Toronto Atomic Robots have designated Kiki Waldbauer for assignment. The Toronto Atomic Robots have promoted Jack Center to the major league team.
2018-09-02The Toronto Atomic Robots have promoted Al Gillespie to the major league team. The Toronto Atomic Robots have promoted Don Mauch to the major league team. The Toronto Atomic Robots have promoted John Williamson to the major league team.
2018-09-02The Toronto Atomic Robots have acquired John Williamson from the waiver wire.
2016-05-07The Baltimore Rising have waived John Williamson.
2016-04-01The Baltimore Rising have sent John Williamson down to the minors.
2016-03-05The Baltimore Rising have promoted John Williamson to the major league team.
2016-03-01The Baltimore Rising have sent John Williamson to the minors.
2015-09-05The Baltimore Rising have promoted John Williamson to the major league team.
2015-04-01The Baltimore Rising have promoted Charlie Navarro to the major league team. The Baltimore Rising have promoted John Sand to the major league team. The Baltimore Rising have promoted Ernie Wade to the major league team. The Baltimore Rising have sent Elmer Vandagrift to the minors. The Baltimore Rising have designated Mike Crossin for assignment. The Baltimore Rising have sent John Williamson to the minors.
2015-03-05The Baltimore Rising have promoted John Williamson to the major league team.