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Harold Baines League
4-1-2053
Koichi Yamanaka Right Field
Retired (2025, Age 36)
CAREER BIOGRAPHICAL DATA
AVG .258 Total Rating B+   Bats/Throws B/R
OPS .737 Status Retired (2025) Option Years 0  
H 936 Age 63 (OS 64) Date of Birth 07-10-1989
HR 102 Drafted Round 1, Pick 8
(2014)		 Majors Svc Time 9 years
(9 games)
RBI 402
SB 158
OFFENSE PITCHING MENTORING
Contact vs. R B+ Contact vs. L B+ Endurance B-   Ldrship B-
Power vs. R B+ Power vs. L B+ Velocity F    Mentor vR A+
Speed B+ Bunt D+ Control D    Mentor vL A+
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range B- WS Rings 3
1B --- LF F  (2.3%) Arm B  WS Appearances 3
2B D+ (21.5%) CF ---   Health C- LCS Appearances 4
3B --- RF A+ (100%)   Injured Days 0 All Star Teams 1
* League requires 50% rating to start at catcher.

Year Team C 1B 2B 3B SS LF CF RF PH
2017 BOS 0 0 0 0 0 0 0 105 0
2018 BOS 0 0 0 0 0 0 0 129 0
2019 BOS 0 0 0 0 0 0 0 135 0
2020 BOS 0 0 0 0 0 0 0 135 0
2021 BOS 0 0 0 0 0 0 0 135 0
2022 BOS-PHI 0 108 0 0 0 0 0 27 0
2023 PHI 0 0 3 8 16 5 11 3 42
2024 PHI 0 5 5 8 13 2 12 15 4
2025 PHI 0 0 0 0 0 0 0 0 8
Career Transactions
DateTransaction
2025-11-01Koichi Yamanaka has retired from the Philadelphia Jesuits
2022-05-07Trade #1361901 has been completed between the Philadelphia Jesuits and the Boston Patriots. The Boston Patriots receive Hod Bauer, Draft Pick 2025 Round 2 PHI (Brad Pascual), Draft Pick 2024 Round 2 PHI (Bryan Taylor) from the Philadelphia Jesuits in exchange for Koichi Yamanaka.
2022-05-05The Boston Patriots have placed Koichi Yamanaka on the trade block.
2018-06-08Koichi Yamanaka of the Boston Patriots is injured and is expected to be out 9 days.
2017-06-26Koichi Yamanaka of the Boston Patriots is injured and is expected to be out 24 days.
2017-04-21The Boston Patriots have promoted Koichi Yamanaka to the major league team. The Boston Patriots have promoted Phil Poholsky to the major league team. The Boston Patriots have sent Dick Jones to the minors. The Boston Patriots have waived John Force.