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Name Team Age
Ryosei Yamazaki Retired (2025, Age 37) Died (2056, Age 68)
Drafted Position Bats/Throws
Round 1, Pick 6
(2013)
RF B/R
League Option Years   Majors Service Time
Santo Rodriguez League 0 9 years (35 games)
Total Rating   Arm Range
A- C+
Contact vs R Contact vs L Speed
A-
Power vs R Power vs L Bunting
B- C+
Endurance Velocity Control
B- C- D-
Leadership   Mentor vs RHP   Mentor vs LHP  
A+ A+
Health   Injured Days   Birthday
0 5/1/1988
WS Rings WS Appearances LCS Appearances
0 0 1
Alt Pos (LF) Alt Pos (CF) Alt Pos (3B)
A+ (95.7 %) B- (54.1 %) D- (5.6 %)

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Career Transactions
DateTransaction
2025-11-01Ryosei Yamazaki has retired from the Seattle Pilots
2025-04-18The Seattle Pilots have acquired Ryosei Yamazaki from the waiver wire.
2025-03-25The Chicago Koalas have promoted Ken Kelleher to the major league team. The Chicago Koalas have designated Ryosei Yamazaki for assignment.
2023-05-10The Chicago Koalas have promoted Ryosei Yamazaki to the major league team. The Chicago Koalas have designated Matt Risberg for assignment.
2023-05-05The Chicago Koalas have acquired Ryosei Yamazaki from the waiver wire.
2023-04-18The San Francisco Seals have waived Ryosei Yamazaki.
2023-03-25The San Francisco Seals have designated Ryosei Yamazaki for assignment.
2017-04-01The San Francisco Seals have promoted Ryosei Yamazaki to the major league team. The San Francisco Seals have designated Tomoki Nitta for assignment.
2014-03-25The San Francisco Seals have sent Ryosei Yamazaki to the minors.
2013-08-11The San Francisco Seals have promoted Ryosei Yamazaki to the major league team. The San Francisco Seals have promoted Doug McGowan to the major league team.
2013-06-27The San Francisco Seals have sent Ryosei Yamazaki to the minors.
2013-05-15The San Francisco Seals have promoted Ryosei Yamazaki to the major league team.