P Yoshiki Yamaguchi #20
Age: 24 | Bats: S | Throws: L | Morale: Very Good    
12/31/2027
P YOSHIKI YAMAGUCHI #20 - AGE: 24 - BATS: S - THROWS: L - MORALE: VERY GOOD
G GS Rec SV ERA IP HA HR BB K WHIP WAR
51 1 4-2 1 5.20 81.1 88 8 52 75 1.72 0.5
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 64
Movement 47
Control 28
PITCHING RATINGS
Pitch Cur. Pot.
Slider - 28
Changeup - 84
Sinker - 63
Splitter - 45
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 41
Suggested Role Borderline SP
Groundball Percentage 64 %
Hold Runners 57
Defense 60
RUN/BUNT RATINGS
Running Speed: 3
Stealing Ability: 10
Baserunning Inst.: 7
Sacrifice Bunt: 85
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
10/05/2027 MTL Win, 10-9 0.0 1 1 1 0 0
09/19/2027 @ SOC Win, 6-5 1.0 4 2 1 1 0
09/18/2027 @ SOC Loss, 5-7 2.2 3 1 1 2 2
09/10/2027 @ MIN Loss, 4-6 2.1 4 3 3 4 2
09/08/2027 MTL Loss, 5-11 0.2 2 2 2 0 2
09/05/2027 @ DUK Loss, 4-9 1.2 2 4 4 2 3
08/28/2027 HAV Win, 8-7 2.0 2 0 0 0 1
08/25/2027 @ BRO Loss, 2-7 1.2 1 0 0 0 2
08/24/2027 LAS Win, 6-4 1.0 3 2 2 1 3
08/20/2027 @ NY Loss, 1-9 0.1 2 4 4 2 0
PERSONALITY
Leader Ability:Very High
Loyalty:Low
Desire f. Win:Low
Greed:High
Intelligence:High
Work Ethic:Low
Birthday:03/24/2003
Born in:Tanashi, TOK
Nationality:Japanese
Height:6' 3"
Weight:205 lbs
Local Popularity:Popular
National Pop.:Popular
STATUS
Contract:Major League Contract
Salary:$500,000
Signed Through:2028 Season
Major Service:1 Year, 158 Days
Service This Yr:180 Days
40-Man Service:1 Year, 158 Days
Pro Service:5 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
ADULT BASEBALL LEAGUE 2027 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 51 1 4 2 1 5.20 81.1 88 51 47 8 52 75 0 0.0 0 1 100.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 18 0 100.0 50 9 15.93 9.74 8.30 5.75 4.83 1.72 101 0.5 .338        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 138 33 4 2 3 18 23 38 0 2 1 .239 .352 .362 .714      
vs. RHB 180 55 17 0 5 33 29 37 2 2 3 .306 .407 .483 .890      
ADULT BASEBALL LEAGUE 2027 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 10 0 0 0 0 1.64 11.0 7 5 2 1 8 9  
May 9 0 1 0 0 6.46 15.1 17 11 11 0 12 13  
June 6 0 2 0 0 1.62 16.2 12 3 3 1 6 13  
July 12 1 1 0 1 2.79 19.1 22 6 6 2 8 22  
August 9 0 0 2 0 11.81 10.2 15 14 14 2 9 9  
September 5 0 0 0 0 11.88 8.1 15 12 11 2 9 9  
Spring Training 8 0 1 0 0 3.48 10.1 10 4 4 0 4 16  
Postseason 1 0 0 0 0 0.00 0.0 1 1 1 0 0 0  
Last Year 50 1 4 5 8 3.34 70.0 60 29 26 8 38 55  
Career 101 2 8 7 9 4.34 151.1 148 80 73 16 90 130  
Home 25 1 2 2 0 6.16 38.0 43 26 26 5 21 42  
Road 26 0 2 0 1 4.36 43.1 45 25 21 3 31 33  
Grass 51 1 4 2 1 5.20 81.1 88 51 47 8 52 75  
Day 13 1 1 2 0 6.52 29.0 37 22 21 5 16 29  
Night 38 0 3 0 1 4.47 52.1 51 29 26 3 36 46  
As Starter 1 1 1 0 0 2.45 7.1 6 2 2 1 2 6  
As Reliever / Substitution 50 0 3 2 1 5.47 74.0 82 49 45 7 50 69  
CAREER PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2026 Manhattan Beach - ABL 23 50 1 4 5 8 3.34 70.0 60 29 26 8 38 55 0 0 1.40 .261 4.97 0.2 141
2027 Manhattan Beach - ABL 24 51 1 4 2 1 5.20 81.1 88 51 47 8 52 75 0 0 1.72 .338 4.83 0.5 92
Total ABL 101 2 8 7 9 4.34 151.1 148 80 73 16 90 130 0 0 1.57 .303 4.89 0.8 114
CAREER MINOR LEAGUE PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2022 Beach City - A 19 48 3 8 1 5 4.09 105.2 102 48 48 8 58 125 0 0 1.51 .352 4.21 1.6 115
2023 South Bay - AAA 20 29 23 8 11 0 7.30 127.0 158 115 103 10 89 77 0 0 1.94 .347 5.89 0.7 71
2024 West Coast - AA 21 4 4 2 2 0 2.16 25.0 25 6 6 1 11 16 0 0 1.44 .312 4.18 0.5 224
2024 South Bay - AAA 21 44 0 4 4 15 3.53 51.0 44 24 20 1 35 48 0 0 1.55 .321 3.97 0.7 141
2025 South Bay - AAA 22 40 0 2 1 5 4.68 32.2 29 17 17 3 24 28 0 0 1.62 .299 5.36 -0.0 106
2026 South Bay - AAA 23 8 0 0 0 5 1.00 9.0 9 1 1 0 5 8 0 0 1.56 .346 3.72 0.2 503
Total AAA 121 23 14 16 25 5.78 219.2 240 157 141 14 153 161 0 0 1.79 .336 5.27 110.0
Total AA 4 4 2 2 0 2.16 25.0 25 6 6 1 11 16 0 0 1.44 .312 4.18 223.6
Total A 48 3 8 1 5 4.09 105.2 102 48 48 8 58 125 0 0 1.51 .352 4.21 114.9
CAREER POSTSEASON PITCHING STATS
Year/Team/League Age G GS W L SV ERA IP HA R ER HR BB K CG SHO WHIP BABIP FIP WAR ERA+
2026 Manhattan Beach - ABL 23 2 0 0 0 0 3.18 5.2 3 2 2 1 4 3 0 0 1.24 .133 0.00 0.0 0
2027 Manhattan Beach - ABL 24 1 0 0 0 0 0.00 0.0 1 1 1 0 0 0 0 0 0.00 1.000 0.00 0.0 0
Total ABL 3 0 0 0 0 4.76 5.2 4 3 3 1 4 3 0 0 1.41 .188 6.87 147.9
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2022 Beach City - A P 48 3 8 20 4 28 0 1.000 105.2 2.38 +0.9 1.017
2023 South Bay - AAA P 29 23 8 22 2 31 1 .968 127.0 2.13 +1.1 1.059
2024 South Bay - AAA P 42 0 5 9 0 14 0 1.000 51.0 2.47 +0.4 1.039
2024 West Coast - AA P 4 4 0 4 2 4 0 1.000 25.0 1.44 +0.2 1.050
2025 South Bay - AAA P 39 0 2 7 0 9 0 1.000 32.2 2.48 +0.3 1.052
2026 Manhattan Beach - ML P 47 1 8 16 0 24 0 1.000 70.0 3.09 +0.3 1.033
2026 South Bay - AAA P 8 0 1 2 0 3 0 1.000 9.0 3.00 +0.1 1.052
2027 Manhattan Beach - ML P 48 1 5 13 2 19 1 .947 81.1 1.99 -0.1 .978
TOTAL P 265 32 37 93 10 132 2 .985 501.2 2.33 +3.3 1.030
PLAYER HISTORY
06/25/2019 Entered the ADULT BASEBALL LEAGUE as an international amateur free agent from Japan.
06/30/2019 Signed a minor league contract ($222,000 bonus) out of Japan with the Manhatten Beach Patriots organization.
01/01/2020 OSA scouting updated ratings (potential): Stuff: - (11); Movement: - (14); Control: - (11).
01/01/2021 OSA scouting updated ratings (potential): Stuff: - (11); Movement: - (14); Control: - (11).
01/01/2022 OSA scouting updated ratings (potential): Stuff: - (8); Movement: - (11); Control: - (10).
01/01/2023 OSA scouting updated ratings (potential): Stuff: - (36); Movement: - (54); Control: - (46).
01/01/2024 OSA scouting updated ratings (potential): Stuff: - (56); Movement: - (48); Control: - (51).
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (57); Movement: - (49); Control: - (47).
07/12/2025 Injured (torn rotator cuff), out for 6 months.
01/01/2026 OSA scouting updated ratings (potential): Stuff: - (61); Movement: - (47); Control: - (39).
12/03/2026 Received a 1-year contract worth a total of $500,000 through automatic renewal.
01/01/2027 OSA scouting updated ratings (potential): Stuff: - (63); Movement: - (50); Control: - (31).
07/20/2027 Injured (flu-like symptoms), day-to-day for 1 day.
11/29/2027 Received a 1-year contract worth a total of $500,000 through automatic renewal.
LEADERBOARD APPEARANCES
Year HLD Rank
2027 17 5
Saturday, June 11th, 2016 - OOTP Baseball 16.11 Build 43