RF Mashashi Yamaguchi #18
Age: 19 | Bats: R | Throws: R | Morale: Angry    
12/31/2025
RF MASHASHI YAMAGUCHI #18 - AGE: 19 - BATS: R - THROWS: R - MORALE: ANGRY
G AB H 2B 3B HR RBI BB K AVG OBP SLG SB WAR
8 7 1 0 0 0 1 1 2 .143 .333 .143 0 -0.1
BATTING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.  
Contact 17
Gap 34
Power 8
Eye 13
Avoid K's 30
FIELDING RATINGS
Catcher Infield Outfield
Range: - 8 49
Errors: - 4 64
Arm: 10 39 45
Turn DP: - 4 -
Ability: 3 - -
POSITION RATINGS
Pitcher: - Shortstop: -
Catcher: - Left Field: 39
1st Base: - Center Field: -
2nd Base: - Right Field: 25
3rd Base: -
       
RUN/BUNT
Running Speed: 37
Stealing Ability: 62
Baserunning Inst.: 53
Sacrifice Bunt: 65
Bunt for Hit: 39
   
GAME LOG, LAST 10 GAMES
Date Vs. Result AB R H BI HR BB K SB
05/04/2025 HAN Win, 13-1 1 0 0 0 0 0 0 0
04/29/2025 @ CHI Win, 12-10 1 1 0 0 0 0 0 0
04/01/2025 ORI Win, 15-5 1 0 0 0 0 0 1 0
03/22/2025 @ HAN Loss, 3-12 1 0 0 0 0 0 1 0
03/09/2025 @ TOH Loss, 4-5 1 0 1 1 0 0 0 0
03/08/2025 @ TOH Loss, 3-13 1 0 0 0 0 1 0 0
03/06/2025 SAI Loss, 1-2 1 0 0 0 0 0 0 0
03/02/2025 HAN Win, 6-4 0 0 0 0 0 0 0 0
PERSONALITY
Leader Ability:Normal
Loyalty:Normal
Desire f. Win:Normal
Greed:Normal
Intelligence:High
Work Ethic:Very Low
Birthday:06/02/2006
Born in:Yokohama, KAN
Nationality:Japanese
Height:6' 5"
Weight:220 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:None, Free Agent
Salary:-
Signed Through:-
Major Service:None, None
Service This Yr:None
40-Man Service:None, None
Pro Service:None
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
NIPPON BASEBALL LEAGUE 2025 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 8 7 1 0 0 0 1 1 1 2 .143 .333 .143 .476 .249 .000 29
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 0 10 1 0 0 0 1 0 1 0 0 0 0.0 0.6 2.36 -0.1  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   2 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Versus Right   5 1 0 0 0 1 1 1 2 0 1 1 .200 .429 .200 .629
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
March   4 1 0 0 0 1 0 1 1 0 1 0 .250 .400 .250 .650
April   2 0 0 0 0 0 1 0 1 0 0 1 .000 .333 .000 .333
May   1 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Last Year   3 0 0 0 0 0 1 1 1 0 0 0 .000 .250 .000 .250
Career   10 1 0 0 0 1 2 2 3 0 1 1 .100 .308 .100 .408
Home   3 0 0 0 0 0 0 0 1 0 1 0 .000 .000 .000 .000
Road   4 1 0 0 0 1 1 1 1 0 0 1 .250 .500 .250 .750
Grass   4 1 0 0 0 1 1 1 1 0 0 1 .250 .500 .250 .750
Turf   3 0 0 0 0 0 0 0 1 0 1 0 .000 .000 .000 .000
Day   6 1 0 0 0 1 0 1 2 0 1 0 .167 .286 .167 .452
Night   1 0 0 0 0 0 1 0 0 0 0 1 .000 .500 .000 .500
As Reliever / Substitution   7 1 0 0 0 1 1 1 2 0 1 1 .143 .333 .143 .476
Pinch Hitting   6 1 0 0 0 1 0 0 2 0 1 0 .167 .167 .167 .333
Close/Late   3 1 0 0 0 1 1 0 0 0 1 1 .333 .500 .333 .833
Inning 7-9   7 1 0 0 0 1 0 1 2 0 1 0 .143 .250 .143 .393
Extra Innings   0 0 0 0 0 0 1 0 0 0 0 1 .000 1.000 .000 1.000
0 Outs   1 0 0 0 0 0 1 1 0 0 1 1 .000 .667 .000 .667
1 Outs   4 1 0 0 0 1 0 0 2 0 0 0 .250 .250 .250 .500
2 Outs   2 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Scoring Position   4 1 0 0 0 1 0 0 0 0 0 0 .250 .250 .250 .500
Bases Empty   2 0 0 0 0 0 1 1 2 0 0 1 .000 .500 .000 .500
Runner on 1st   1 0 0 0 0 0 0 0 0 0 1 0 .000 .000 .000 .000
Runner on 2nd   2 1 0 0 0 1 0 0 0 0 0 0 .500 .500 .500 1.000
Bases Loaded   2 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Two Strikes   4 0 0 0 0 0 0 0 2 0 0 0 .000 .000 .000 .000
First Pitch   2 1 0 0 0 1 0 0 0 0 0 0 .500 .500 .500 1.000
Count 0-2   2 0 0 0 0 0 0 0 1 0 0 0 .000 .000 .000 .000
Count 1-0   0 0 0 0 0 0 0 0 0 0 1 0 .000 .000 .000 .000
Count 1-1   0 0 0 0 0 0 1 0 0 0 0 1 .000 1.000 .000 1.000
Count 2-0   1 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Count 2-2   2 0 0 0 0 0 0 0 1 0 0 0 .000 .000 .000 .000
Count 3-1   0 0 0 0 0 0 0 1 0 0 0 0 .000 1.000 .000 1.000
Behind in Count   2 0 0 0 0 0 0 0 1 0 0 0 .000 .000 .000 .000
Ahead in Count   1 0 0 0 0 0 0 1 0 0 1 0 .000 .500 .000 .500
Batting Leadoff   2 0 0 0 0 0 0 0 2 0 0 0 .000 .000 .000 .000
Batting 3rd   1 0 0 0 0 0 0 1 0 0 0 0 .000 .500 .000 .500
Batting 6th   1 0 0 0 0 0 1 0 0 0 1 1 .000 .500 .000 .500
Batting 7th   1 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Batting 9th   2 1 0 0 0 1 0 0 0 0 0 0 .500 .500 .500 1.000
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
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
2024 Hokkaido Nippon-Ham - COL 17 5 3 0 0 0 0 0 1 1 0 0 1 0 0 .000 .250 .000 .250 -32 0 0.0
2025 Hokkaido Nippon-Ham - COL 18 8 7 1 0 0 0 1 1 1 1 0 2 0 0 .143 .333 .143 .476 24 29 0.0
Total Pro Feeder 13 10 1 0 0 0 1 2 2 1 0 3 0 0 .100 .308 .100 .408 8 21
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2024 Hokkaido Nippon-Ham - COL SS 1 0 0 1 0 1 0 1.000 1.0 9.00 +0.0 1.044
2025 Hokkaido Nippon-Ham - COL LF 1 0 1 0 0 1 0 1.000 1.0 9.00 +0.1 1.072
2025 Hokkaido Nippon-Ham - COL RF 2 0 2 0 0 2 0 1.000 5.0 3.60 +0.1 1.040
TOTAL SS 1 0 0 1 0 1 0 1.000 1.0 9.00 +0.0 1.044
TOTAL LF 1 0 1 0 0 1 0 1.000 1.0 9.00 +0.1 1.072
TOTAL RF 2 0 2 0 0 2 0 1.000 5.0 3.60 +0.1 1.040
PLAYER HISTORY
06/07/2024 Joined the Hokkaido Nippon-Ham Fighters.
01/01/2025 OSA scouting updated ratings (potential): Contact: - (17); Power: - (6); Eye: - (27).
06/07/2025 Went undrafted and became a free agent.
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