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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
B  A- C+
Contact vs R Contact vs L Speed
A- A  B 
Power vs R Power vs L Bunting
B- C+ D 
Endurance Velocity Control
B- C- D-
Leadership   Mentor vs RHP   Mentor vs LHP  
A  A+ A+
Health   Injured Days   Birthday
C  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 %)

Stats  |   Splits  |   Playoffs  |   Positions  |   Improvements  |   Past Skills  |   Awards   |  Fielding   |  Game Log
Year POS Team G GS INN TC PO A E DP PB SB CS CS% +/- RF   FPCT
2013 2B SF 1 0 2.0 3 2 1 0 0 0 13.50 1.000
CF SF 7 7 65.0 17 17 0 0 0 0 2.35 1.000
RF SF 13 3 39.0 6 5 1 0 1 -1 1.38 1.000
2017 LF SF 12 12 104.0 23 23 0 0 0 0 1.99 1.000
CF SF 6 6 53.0 15 15 0 0 0 -1 2.55 1.000
RF SF 86 82 741.0 172 167 4 1 0 -1 2.08 .994
2018 3B SF 1 0 2.0 0 0 0 0 0 0 0.00 NaN
LF SF 1 1 9.0 2 2 0 0 0 0 2.00 1.000
CF SF 6 6 53.0 18 16 1 1 0 0 2.89 .944
RF SF 18 6 63.0 12 12 0 0 0 +1 1.71 1.000
2019 LF SF 21 21 186.66 37 36 1 0 0 +2 1.78 1.000
CF SF 13 13 115.0 33 33 0 0 0 -1 2.58 1.000
RF SF 36 36 317.66 76 74 2 0 0 0 2.15 1.000
2020 LF SF 3 3 27.0 6 5 1 0 0 0 2.00 1.000
RF SF 25 5 75.66 22 22 0 0 0 +1 2.62 1.000
2021 3B SF 5 5 47.0 19 4 13 2 1 -1 3.26 .895
SS SF 1 0 2.0 1 0 1 0 0 0 4.50 1.000
RF SF 11 2 30.33 7 6 1 0 0 0 2.08 1.000
2022 RF SF 3 2 20.0 3 3 0 0 0 +1 1.35 1.000
2023 3B CHA 1 1 8.0 2 1 1 0 0 -1 2.25 1.000
LF CHA 1 0 1.0 0 0 0 0 0 0 0.00 NaN
RF CHA 35 23 219.0 49 46 2 1 0 +1 1.97 .980
2024 SS CHA 1 1 12.0 6 1 5 0 1 -1 4.50 1.000
LF CHA 2 2 18.0 5 5 0 0 0 0 2.50 1.000
CF CHA 7 7 61.0 17 14 2 1 0 -1 2.36 .941
RF CHA 21 11 111.66 34 31 2 1 1 -1 2.66 .971
2025 C SEA 10 10 96.0 89 81 0 8 0 2 28 0 0.0% 0 7.59 .910
3B SEA 22 22 194.0 63 16 42 5 2 -3 2.69 .921
Pos Total C 10 10 96.0 89 81 0 8 0 2 28 0 0.0% 0 7.59 .910
2B 1 0 2.0 3 2 1 0 0 0 13.50 1.000
3B 29 28 251.0 84 21 56 7 3 -5 2.76 .917
SS 2 1 14.0 7 1 6 0 1 -1 4.50 1.000
LF 40 39 345.66 73 71 2 0 0 +2 1.90 1.000
CF 39 39 347.0 100 95 3 2 0 -3 2.54 .980
RF 248 170 1617.31 381 366 12 3 2 +1 2.10 .992
Total 369 287 2672.97 737 637 80 20 6 2 28 0 0.0% -6 2.41 .973
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.