C Koji Yamakawa #56
Age: 28 | Bats: R | Throws: R | Morale: Normal
09/29/2025
OA: 26 POT: 28
C KOJI YAMAKAWA #56 - AGE: 28 - BATS: R - THROWS: R - MORALE: NORMAL
G AB H 2B 3B HR RBI BB K AVG OBP SLG SB WAR
0 0 0 0 0 0 0 0 0 .000 .000 .000 0 0.0
BATTING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.  
Contact 49 52 48 48
Gap 42 44 42 43
Power 43 44 42 41
Eye 48 50 47 53
Avoid K's 42 45 40 43
FIELDING RATINGS
Catcher Infield Outfield
Range: - 1 1
Errors: - 35 11
Arm: 78 52 40
Turn DP: - 8 -
Ability: 41 - -
POSITION RATINGS
Pitcher: - Shortstop: -
Catcher: 61 Left Field: -
1st Base: 16 Center Field: -
2nd Base: - Right Field: -
3rd Base: -
       
RUN/BUNT
Running Speed: 17
Stealing Ability: 27
Baserunning Inst.: 39
Sacrifice Bunt: 46
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result AB R H BI HR BB K SB
10/02/2022 @ YOM Loss, 2-4 4 0 1 1 0 0 0 0
10/01/2022 @ YOM Loss, 1-11 4 0 1 0 0 0 0 0
09/30/2022 @ HAN Loss, 1-3 3 0 0 0 0 0 1 0
09/28/2022 HIRO Win, 4-3 3 1 1 1 1 0 1 0
09/27/2022 HIRO Loss, 6-8 4 0 1 0 0 1 1 0
09/25/2022 @ HAN Loss, 2-3 3 1 2 2 1 0 0 0
09/24/2022 YOM Win, 9-6 3 1 1 2 1 1 1 0
09/22/2022 CHUN Win, 11-5 5 2 3 1 0 0 0 0
09/20/2022 YOKO Loss, 3-9 4 0 1 1 0 0 0 0
09/18/2022 @ CHUN Loss, 2-5 4 2 3 0 0 0 1 0
PERSONALITY
Wants fair compensation for his efforts.
Low: Adaptability
Birthday:11/15/1996
Born in:Onojo, FUK
Nationality:Japanese
Height:6' 1"
Weight:220 lbs
Local Popularity:Fair
National Pop.:Unknown
STATUS
Contract:None, Free Agent
Salary:-
Signed Through:-
Major Service:
Service This Yr:
40-Man Service:
Pro Service:
Arbitration Eligibility:
Option Years:
Contract Extension:
Drafted:-
NIPPON PROFESSIONAL BASEBALL LEAGUE 2022 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 126 463 120 21 0 24 76 61 53 138 .259 .345 .460 .805 .347 .201 121
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 125 528 9 2 0 16 1 2 213 45 1 0 100.0 72.5 5.41 4.1  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   67 19 2 0 3 7 9 10 13 0 0 0 .284 .377 .448 .824
Versus Right   214 50 9 0 10 36 26 16 73 2 1 5 .234 .300 .416 .715
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
This Week   11 2 0 0 0 1 0 0 1 0 0 1 .182 .250 .182 .432
Last Week   18 8 2 0 3 6 5 2 3 0 0 0 .444 .500 1.056 1.556
June   43 8 0 0 1 3 3 4 16 0 0 0 .186 .255 .256 .511
July   72 18 4 0 1 5 9 8 24 0 0 2 .250 .341 .347 .689
August   83 19 4 0 5 17 11 6 28 1 1 0 .229 .278 .458 .736
September   75 22 3 0 6 17 12 8 18 1 0 3 .293 .379 .573 .953
October   8 2 0 0 0 1 0 0 0 0 0 0 .250 .250 .250 .500
Spring Training   188 46 8 0 10 28 23 24 44 0 1 4 .245 .343 .447 .789
Postseason   50 15 4 0 4 13 9 7 17 0 0 0 .300 .386 .620 1.006
Career   910 234 39 1 54 163 118 88 270 8 4 21 .257 .334 .480 .814
Home   130 33 6 0 11 34 22 16 36 2 0 1 .254 .336 .554 .889
Road   151 36 5 0 2 9 13 10 50 0 1 4 .238 .303 .311 .614
Grass   53 9 2 0 2 3 3 1 20 0 1 1 .170 .200 .321 .521
Turf   228 60 9 0 11 40 32 25 66 2 0 4 .263 .344 .447 .791
Day   66 15 1 0 3 6 10 6 16 1 0 2 .227 .307 .379 .685
Night   215 54 10 0 10 37 25 20 70 1 1 3 .251 .322 .437 .759
As Starter   281 69 11 0 13 43 35 26 86 2 1 5 .246 .318 .423 .742
Close/Late   55 13 4 0 2 8 6 8 19 0 0 1 .236 .344 .418 .762
Inning 1-3   84 20 1 0 5 17 10 6 27 2 0 2 .238 .298 .429 .726
Inning 4-6   112 24 5 0 3 12 13 8 33 0 1 2 .214 .279 .339 .618
Inning 7-9   80 25 5 0 5 14 12 12 23 0 0 1 .313 .409 .563 .971
Extra Innings   5 0 0 0 0 0 0 0 3 0 0 0 .000 .000 .000 .000
0 Outs   110 26 4 0 3 7 15 8 39 0 1 2 .236 .300 .355 .655
1 Outs   79 16 3 0 5 12 10 8 22 2 0 0 .203 .270 .430 .700
2 Outs   92 27 4 0 5 24 10 10 25 0 0 3 .293 .381 .500 .881
Scoring Position   77 20 2 0 4 31 14 16 21 2 0 2 .260 .392 .442 .833
Bases Empty   135 35 8 0 7 7 19 7 40 0 0 0 .259 .296 .474 .770
Runner on 1st   69 14 1 0 2 5 2 3 25 0 1 3 .203 .267 .304 .571
Runner on 2nd   28 6 0 0 1 6 5 6 9 0 0 1 .214 .371 .321 .693
Runner on 3rd   10 4 0 0 1 5 3 1 2 0 0 0 .400 .455 .700 1.155
Runner on 1st & 2nd   14 5 2 0 1 8 4 4 3 0 0 0 .357 .500 .714 1.214
Runner on 1st & 3rd   12 2 0 0 1 4 2 2 3 0 0 1 .167 .333 .417 .750
Runner on 2nd & 3rd   7 2 0 0 0 4 0 3 1 0 0 0 .286 .500 .286 .786
Bases Loaded   6 1 0 0 0 4 0 0 3 2 0 0 .167 .125 .167 .292
Two Strikes   156 29 6 0 4 15 17 12 86 2 0 3 .186 .254 .301 .556
First Pitch   34 9 1 0 1 5 4 0 0 0 1 0 .265 .265 .382 .647
Count 0-1   16 7 0 0 1 5 2 0 0 0 0 1 .438 .471 .625 1.096
Count 0-2   28 1 1 0 0 0 1 0 19 0 0 1 .036 .069 .071 .140
Count 1-0   21 7 2 0 2 6 2 0 0 0 0 0 .333 .333 .714 1.048
Count 1-1   17 7 0 0 2 7 3 0 0 0 0 0 .412 .412 .765 1.176
Count 1-2   51 7 1 0 1 4 4 0 32 0 0 2 .137 .170 .216 .385
Count 2-0   10 2 0 0 0 0 0 0 0 0 0 0 .200 .200 .200 .400
Count 2-1   19 7 2 0 2 2 3 0 0 0 0 1 .368 .400 .789 1.189
Count 2-2   50 13 2 0 2 7 6 0 26 1 0 0 .260 .255 .420 .675
Count 3-0   1 0 0 0 0 0 3 9 0 0 0 0 .000 .900 .000 .900
Count 3-1   7 1 0 0 1 3 1 5 0 0 0 0 .143 .500 .571 1.071
Full Count   27 8 2 0 1 4 6 12 9 1 0 0 .296 .500 .481 .981
Behind in Count   95 15 2 0 2 9 7 0 51 0 0 4 .158 .192 .242 .434
Ahead in Count   58 17 4 0 5 11 9 14 0 0 0 1 .293 .438 .621 1.059
Batting 5th   161 38 6 0 10 31 22 12 52 2 1 3 .236 .298 .460 .757
Batting 6th   120 31 5 0 3 12 13 14 34 0 0 2 .258 .346 .375 .721
Low Leverage   97 29 5 0 8 13 18 8 24 0 0 0 .299 .352 .598 .950
Medium Leverage   113 29 3 0 4 16 13 10 34 0 0 2 .257 .328 .389 .717
High Leverage   59 10 3 0 1 14 4 8 24 2 1 3 .169 .292 .271 .563
CAREER BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2020 Tokyo Yakult - NPB 23 55 124 26 3 0 4 17 12 8 2 4 39 0 1 .210 .261 .331 .592 61 65 0.1
2021 Tokyo Yakult - NPB 24 126 323 88 15 1 26 70 45 27 10 2 93 0 0 .272 .345 .567 .912 129 143 3.4
2022 Tokyo Yakult - NPB 25 126 463 120 21 0 24 76 61 53 9 2 138 1 0 .259 .345 .460 .805 104 121 4.1
Total NPB 307 910 234 39 1 54 163 118 88 21 8 270 1 1 .257 .334 .480 .814 107 121 7.6
CAREER MINOR LEAGUE BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2015 Tokyo Yakult (Ni-Gun) - AA 18 63 218 51 12 1 7 31 27 19 6 4 62 0 0 .234 .308 .394 .702 70 75 0.0
2016 Tokyo Yakult (Ni-Gun) - AA 19 65 193 56 12 1 7 30 28 14 2 1 45 1 1 .290 .343 .472 .814 105 103 0.0
2017 Tokyo Yakult (Ni-Gun) - AA 20 63 162 34 6 0 4 15 10 12 0 0 36 0 1 .210 .264 .321 .585 61 59 0.0
2018 Tokyo Yakult (Ni-Gun) - AA 21 78 180 38 3 0 7 27 19 15 3 1 43 0 2 .211 .281 .344 .626 73 64 0.0
2019 Tokyo Yakult (Ni-Gun) - AA 22 93 274 69 13 1 11 30 34 34 3 5 58 0 0 .252 .335 .427 .762 120 111 0.0
2020 Tokyo Yakult (Ni-Gun) - AA 23 34 130 34 8 1 3 21 17 10 2 1 27 0 2 .262 .322 .408 .729 103 100 0.0
Total NGN 396 1157 282 54 4 39 154 135 104 16 12 271 1 6 .244 .312 .398 .710 91 87
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2020 Tokyo Yakult - INT C 27 26 213 19 1 233 1 .996 230.0 9.08 +1.1 1.142 1 28 6 21.4
2020 Tokyo Yakult - INT 1B 4 0 14 0 0 14 0 1.000 16.2 7.56 -0.5 .737
2020 Tokyo Yakult - INT 2B 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2021 Tokyo Yakult - INT C 64 64 569 24 2 595 2 .997 542.2 9.83 -0.1 .925 5 55 14 25.5
2021 Tokyo Yakult - INT 1B 23 12 121 11 19 133 1 .992 133.0 8.93 -0.2 .988
2021 Tokyo Yakult - INT 3B 1 0 0 2 0 2 0 1.000 6.0 3.00 +0.0 1.039
2022 Tokyo Yakult - INT C 125 125 970 71 3 1047 6 .994 1083.2 8.65 +1.9 1.063 11 95 24 25.3
2022 Tokyo Yakult - INT 1B 1 0 5 0 1 5 0 1.000 5.2 7.94 -0.5 .557
TOTAL C 216 215 1752 114 6 1875 9 .995 1856.1 9.05 +3.0 1.059 17 178 44 24.7
TOTAL 1B 28 12 140 11 20 152 1 .993 155.1 8.75 -1.2 .943
TOTAL 3B 1 0 0 2 0 2 0 1.000 6.0 3.00 +0.0 1.039
PLAYER HISTORY
03/27/2015 Named the #7 prospect in the NPB
04/08/2015 Injured (hamstring soreness), out for one week.
01/01/2016 OSA scouting updated ratings (potential): Contact: 36 (49); Power: 26 (41); Eye: 25 (52).
04/01/2016 Named the #72 prospect in the NPB
01/01/2017 OSA scouting updated ratings (potential): Contact: 44 (49); Power: 30 (41); Eye: 29 (52).
01/01/2018 OSA scouting updated ratings (potential): Contact: 49 (49); Power: 40 (41); Eye: 34 (52).
01/01/2019 OSA scouting updated ratings (potential): Contact: 49 (49); Power: 42 (41); Eye: 41 (52).
01/01/2020 OSA scouting updated ratings (potential): Contact: 49 (49); Power: 42 (41); Eye: 43 (52).
11/12/2020 Received a 1-year contract worth a total of $50,000 through automatic renewal.
01/01/2021 OSA scouting updated ratings (potential): Contact: 49 (49); Power: 42 (41); Eye: 46 (52).
07/14/2021 Was selected to the 2021 Nippon Professional Baseball League All-Star Game.
08/11/2021 Injured (Bruised ankle), day-to-day for 4 days.
09/20/2021 Wins the NPB JCL Player of the Week Award.
10/06/2021 Injured (Flu-like symptoms), day-to-day for 4 days.
11/09/2021 Received a 1-year contract worth a total of $50,000 through automatic renewal.
11/24/2021 Injured (Multiple Sclerosis (DTD)), out for 5 days.
01/01/2022 OSA scouting updated ratings (potential): Contact: 49 (49); Power: 42 (41); Eye: 52 (51).
11/06/2022 Wins the 2022 NPB JCL Glove Wizard Award at C.
11/18/2022 Received a 1-year contract worth a total of $50,000 through automatic renewal.
01/01/2023 OSA scouting updated ratings (potential): Contact: 49 (49); Power: 42 (41); Eye: 51 (51).
01/01/2024 OSA scouting updated ratings (potential): Contact: 49 (49); Power: 42 (41); Eye: 51 (51).
01/01/2025 OSA scouting updated ratings (potential): Contact: 50 (49); Power: 42 (41); Eye: 51 (51).
LEADERBOARD APPEARANCES
Year K Rank
2022 138 5
Year HP Rank
2021 10 6
2022 9 7
Wednesday, September 30th, 2020 - OOTP Baseball 20.8 Build 74