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Name	Team	Age
Koichi Yamanaka	Retired (2025, Age 36)	63
Drafted	Position	Bats/Throws
Round 1, Pick 8 (2014)	RF	B/R
League	Option Years	Majors Service Time
Harold Baines League	0	9 years (9 games)
Total Rating	Arm	Range
B+	B	B-
Contact vs R	Contact vs L	Speed
B+	B+	B+
Power vs R	Power vs L	Bunting
B+	B+	D+
Endurance	Velocity	Control
B-	F	D
Leadership	Mentor vs RHP	Mentor vs LHP
B-	A+	A+
Health	Injured Days	Birthday
C-	0	7/10/1989
WS Rings	WS Appearances	LCS Appearances
3	3	4
Alt Pos (RF)	Alt Pos (2B)	Alt Pos (LF)
A+ (98.8 %)	D+ (21.5 %)	F  (2.3 %)
Alt Pos (---)	Alt Pos (---)	Alt Pos (3B)
F  (0.0 %)	F  (0.0 %)	F  (0.0 %)
Alt Pos (SS)	Alt Pos (CF)
F  (0.0 %)	F  (0.0 %)

Stats  |   Splits  |   Playoffs  |   Positions  |   Improvements  |   Past Skills  |   Awards   |  Fielding   |  Game Log

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

Date	Transaction
2025-11-01	Koichi Yamanaka has retired from the Philadelphia Jesuits
2022-05-07	Trade #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.
2022-05-05	The Boston Patriots have placed Koichi Yamanaka on the trade block.
2018-06-08	Koichi Yamanaka of the Boston Patriots is injured and is expected to be out 9 days.
2017-06-26	Koichi Yamanaka of the Boston Patriots is injured and is expected to be out 24 days.
2017-04-21	The 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.