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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 G AB R H 2B 3B HR RBI BB SO HBP SF SB CS E OPS OBP SLG ISO AVG Awards
2017 BOS
105
437
74
110
19
2
14
46
43
 106 3 2
24
 11 1
.722
.322
.400
.149
.252
2018 BOS
129
534
83
133
26
7
10
51
53
 103 1 3
28
 12 2
.697
.316
.380
.131
.249
2019 BOS
135
566
76
148
28
7
14
53
64
 108 5 1
27
 9 0
.751
.341
.410
.148
.261
2020 BOS
135
570
79
134
24
5
13
48
55
 110 2 1
22
 13 2
.667
.304
.363
.128
.235
2021 BOS
135
553
89
145
24
6
13
41
52
 116 1 0
24
 7 2
.725
.327
.398
.136
.262
2022 BOS-PHI
135
524
86
142
22
6
22
92
55
 94 1 5
22
 5 5
.800
.338
.462
.191
.271
2023 PHI
88
207
29
52
5
8
8
31
18
 55 0 0
5
 0 10
.780
.311
.469
.217
.251
2024 PHI
64
229
34
70
12
2
8
39
20
 31 0 4
6
 1 10
.836
.356
.480
.175
.306
2025 PHI
8
7
0
2
1
0
0
1
1
 0 0 0
0
 0 0
.804
.375
.429
.143
.286
Total
934
3627
550
936
161
43
102
402
361
 723 13 16
158
 58 32
.737
.326
.411
.152
.258
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.