P Yoshiki Yamaguchi #20
Age: 25 | Bats: S | Throws: L | Morale: Good    
12/31/2028
P YOSHIKI YAMAGUCHI #20 - AGE: 25 - BATS: S - THROWS: L - MORALE: GOOD
G GS Rec SV ERA IP HA HR BB K WHIP WAR
8 0 1-1 0 6.17 11.2 18 1 12 8 2.57 -0.2
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 58
Movement 49
Control 25
PITCHING RATINGS
Pitch Cur. Pot.
Slider - 27
Changeup - 84
Sinker - 64
Splitter - 46
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 41
Suggested Role BP/Emergency SP
Groundball Percentage 64 %
Hold Runners 57
Defense 55
RUN/BUNT RATINGS
Running Speed: 5
Stealing Ability: 9
Baserunning Inst.: 9
Sacrifice Bunt: 85
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
10/02/2028 @ BRO Loss, 4-7 2.1 3 1 1 1 3
09/30/2028 @ MIN Win, 4-3 1.1 2 0 0 1 2 Win
09/20/2028 @ CHI Win, 4-2 0.1 1 0 0 0 0
09/16/2028 COL Loss, 4-11 0.1 3 5 1 1 1 Loss
09/15/2028 COL Loss, 3-6 0.2 0 0 0 0 0
09/12/2028 @ GEO Loss, 10-16 2.1 4 5 2 3 1
09/06/2028 @ OMA Win, 7-6 1.0 0 0 0 1 1
08/31/2028 SOC Loss, 9-13 3.1 5 4 4 5 0
08/26/2028 @ COR Loss, 6-9 3.2 3 1 1 2 2
08/25/2028 IND Loss, 4-11 0.1 0 0 0 1 1
PERSONALITY
Leader Ability:Very High
Loyalty:Very 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:Well Known
National Pop.:Well Known
STATUS
Contract:Major League Contract
Salary:$500,000
Signed Through:2029 Season
Major Service:2 Years, 25 Days
Service This Yr:39 Days
40-Man Service:2 Years, 158 Days
Pro Service:6 Years
Arbitration Eligibility:Not yet, but possibly eligible after this season
Option Years:2 option years left
Contract Extension: -
Drafted:-
ADULT BASEBALL LEAGUE 2028 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 8 0 1 1 0 6.17 11.2 18 15 8 1 12 8 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 3 2 0.0 8 2 23.91 13.89 6.17 9.26 6.35 2.57 138 -0.2 .395        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 27 8 2 0 0 6 5 7 1 0 0 .296 .394 .370 .764      
vs. RHB 24 10 4 0 1 9 7 1 0 1 1 .417 .563 .708 1.271      
ADULT BASEBALL LEAGUE 2028 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
August 1 0 0 0 0 10.80 3.1 5 4 4 1 5 0  
September 6 0 1 1 0 4.50 6.0 10 10 3 0 6 5  
October 1 0 0 0 0 3.86 2.1 3 1 1 0 1 3  
Spring Training 3 0 0 0 0 0.00 4.1 3 0 0 0 2 4  
Last Year 51 1 4 2 1 5.20 81.1 88 51 47 8 52 75  
2 Years Ago 50 1 4 5 8 3.34 70.0 60 29 26 8 38 55  
Career 109 2 9 8 9 4.47 163.0 166 95 81 17 102 138  
Home 3 0 0 1 0 10.38 4.1 8 9 5 1 6 1  
Road 5 0 1 0 0 3.68 7.1 10 6 3 0 6 7  
Grass 8 0 1 1 0 6.17 11.2 18 15 8 1 12 8  
Day 1 0 0 0 0 0.00 1.0 0 0 0 0 1 1  
Night 7 0 1 1 0 6.75 10.2 18 15 8 1 11 7  
As Reliever / Substitution 8 0 1 1 0 6.17 11.2 18 15 8 1 12 8  
TRIPLE A 2028 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 19 0 1 0 2 3.00 30.0 24 10 10 2 15 31 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 9 0 100.0 19 4 12.30 7.20 9.30 4.50 4.29 1.30 83 0.4 .293        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 31 6 0 0 1 3 3 12 0 0 0 .194 .265 .290 .555      
vs. RHB 75 18 5 0 1 7 12 19 2 0 2 .240 .352 .347 .698      
TRIPLE A 2028 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 2 0 0 0 0 0.00 1.1 1 0 0 0 1 2  
May 2 0 0 0 0 0.00 1.0 1 0 0 0 0 0  
June 5 0 1 0 1 1.35 6.2 3 1 1 1 2 10  
July 7 0 0 0 1 3.95 13.2 14 6 6 0 7 13  
August 3 0 0 0 0 3.68 7.1 5 3 3 1 5 6  
2 Years Ago 8 0 0 0 5 1.00 9.0 9 1 1 0 5 8  
Career 140 23 15 16 27 5.44 249.2 264 167 151 16 168 192  
Home 9 0 0 0 1 1.54 11.2 10 2 2 0 5 12  
Road 10 0 1 0 1 3.93 18.1 14 8 8 2 10 19  
Grass 19 0 1 0 2 3.00 30.0 24 10 10 2 15 31  
Day 8 0 1 0 0 2.08 13.0 7 3 3 1 6 14  
Night 11 0 0 0 2 3.71 17.0 17 7 7 1 9 17  
As Reliever / Substitution 19 0 1 0 2 3.00 30.0 24 10 10 2 15 31  
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
2028 Manhattan Beach - ABL 25 8 0 1 1 0 6.17 11.2 18 15 8 1 12 8 0 0 2.57 .395 6.35 -0.2 74
Total ABL 109 2 9 8 9 4.47 163.0 166 95 81 17 102 138 0 0 1.64 .311 5.00 0.6 112
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 0.7 142
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 -0.0 107
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 0.2 504
2028 South Bay - AAA 25 19 0 1 0 2 3.00 30.0 24 10 10 2 15 31 0 0 1.30 .293 4.29 0.4 172
Total Triple 140 23 15 16 27 5.44 249.2 264 167 151 16 168 192 0 0 1.73 .332 5.16 117.8
Total Double 4 4 2 2 0 2.16 25.0 25 6 6 1 11 16 0 0 1.44 .312 4.18 224.3
Total Single 48 3 8 1 5 4.09 105.2 102 48 48 8 58 125 0 0 1.51 .352 4.21 115.2
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 6.87 148.5
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
2028 Manhattan Beach - ML P 8 0 2 0 0 2 0 1.000 11.2 1.54 +0.0 .000
2028 South Bay - AAA P 19 0 2 1 0 3 0 1.000 30.0 0.90 +0.1 1.040
TOTAL P 292 32 41 94 10 137 2 .985 543.1 2.24 +3.4 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.
01/01/2028 OSA scouting updated ratings (potential): Stuff: - (64); Movement: - (47); Control: - (28).
08/25/2028 Injured (mild calf strain), day-to-day for 3 days.
09/06/2028 Injured (mild calf strain), day-to-day for 1 day.
12/06/2028 Received a 1-year contract worth a total of $500,000 through automatic renewal.
LEADERBOARD APPEARANCES
Year HLD Rank
2027 17 5
Friday, September 9th, 2016 - OOTP Baseball 17.11 Build 70