P Yoshiki Yamaguchi #20
Manhattan Beach Patriots ABL
Age: 23 | Bats: S | Throws: L | Morale: Great    
12/31/2026
BNN Index | ABL | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P YOSHIKI YAMAGUCHI #20 - AGE: 23 - BATS: S - THROWS: L - MORALE: GREAT
G GS Rec SV ERA IP HA HR BB K WHIP WAR
50 1 4-5 8 3.34 70.0 60 8 38 55 1.40 0.2
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 63
Movement 50
Control 31
PITCHING RATINGS
Pitch Cur. Pot.
Slider - 28
Changeup - 84
Sinker - 64
Splitter - 46
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 43
Suggested Role Borderline SP
Groundball Percentage 66 %
Hold Runners 56
Defense 63
RUN/BUNT RATINGS
Running Speed: 7
Stealing Ability: 11
Baserunning Inst.: 6
Sacrifice Bunt: 85
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
10/11/2026 @ NY Loss, 4-7 3.2 2 1 1 2 1
10/04/2026 @ NY Win, 7-3 2.0 1 1 1 2 2
09/29/2026 DUK Loss, 4-9 0.0 2 2 2 1 0
09/24/2026 @ CHI Win, 5-4 0.0 1 0 0 0 0
09/21/2026 SD Loss, 8-16 2.1 1 2 2 1 1
09/19/2026 @ DAL Loss, 4-7 2.0 2 0 0 1 3
09/16/2026 @ NY Win, 9-7 3.1 2 2 2 1 2 Win
09/15/2026 @ NY Loss, 6-8 1.1 3 3 3 1 1 Loss
09/11/2026 WAS Loss, 1-4 1.2 2 0 0 1 1
09/09/2026 @ SOC Win, 5-3 2.1 0 0 0 2 1 Win
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:200 lbs
Local Popularity:Popular
National Pop.:Popular
STATUS
Contract:Major League Contract
Salary:$500,000
Signed Through:2027 Season
Major Service:None, 158 Days
Service This Yr:158 Days
40-Man Service:None, 158 Days
Pro Service:4 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
ADULT BASEBALL LEAGUE 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 50 1 4 5 8 3.34 70.0 60 29 26 8 38 55 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 23 1 88.9 49 24 12.60 7.71 7.07 4.89 4.97 1.40 105 0.2 .261        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 121 23 2 0 4 8 12 28 1 0 0 .190 .261 .306 .567      
vs. RHB 139 37 7 1 4 21 26 27 1 2 0 .266 .380 .417 .797      
ADULT BASEBALL LEAGUE 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 2 0 0 0 1 3.86 2.1 2 1 1 1 1 3  
May 9 0 1 1 2 0.63 14.1 10 4 1 0 8 11  
June 10 0 0 2 4 3.77 14.1 15 6 6 0 10 10  
July 9 1 1 1 0 5.40 11.2 12 7 7 2 7 7  
August 9 0 0 0 1 1.42 12.2 8 2 2 2 3 13  
September 11 0 2 1 0 5.52 14.2 13 9 9 3 9 11  
Postseason 2 0 0 0 0 3.18 5.2 3 2 2 1 4 3  
Career 50 1 4 5 8 3.34 70.0 60 29 26 8 38 55  
Home 30 1 2 1 6 2.27 43.2 35 14 11 2 18 36  
Road 20 0 2 4 2 5.13 26.1 25 15 15 6 20 19  
Grass 50 1 4 5 8 3.34 70.0 60 29 26 8 38 55  
Day 9 1 1 1 0 2.08 13.0 9 3 3 0 8 11  
Night 41 0 3 4 8 3.63 57.0 51 26 23 8 30 44  
As Starter 1 1 1 0 0 3.38 5.1 3 2 2 0 4 4  
As Reliever / Substitution 49 0 3 5 8 3.34 64.2 57 27 24 8 34 51  
TRIPLE A 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 8 0 0 0 5 1.00 9.0 9 1 1 0 5 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 5 0 100.0 8 7 14.00 9.00 8.00 5.00 3.72 1.56 74 0.2 .346        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 10 4 1 0 0 0 1 1 0 0 0 .400 .455 .500 .955      
vs. RHB 24 5 1 0 0 1 4 7 0 0 0 .208 .321 .250 .571      
TRIPLE A 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 5 0 0 0 2 1.50 6.0 6 1 1 0 5 5  
May 3 0 0 0 3 0.00 3.0 3 0 0 0 0 3  
Last Year 40 0 2 1 5 4.68 32.2 29 17 17 3 24 28  
2 Years Ago 44 0 4 4 15 3.53 51.0 44 24 20 1 35 48  
Career 121 23 14 16 25 5.78 219.2 240 157 141 14 153 161  
Home 1 0 0 0 1 0.00 1.0 0 0 0 0 0 1  
Grass 7 0 0 0 4 0.00 8.0 8 0 0 0 2 7  
Turf 1 0 0 0 1 9.00 1.0 1 1 1 0 3 1  
Night 8 0 0 0 5 1.00 9.0 9 1 1 0 5 8  
As Reliever / Substitution 8 0 0 0 5 1.00 9.0 9 1 1 0 5 8  
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
Total ABL 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
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
Total ABL 2 0 0 0 0 3.18 5.2 3 2 2 1 4 3 0 0 1.24 .133 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
TOTAL P 217 31 32 80 8 113 1 .991 420.1 2.40 +3.4 1.040
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.
Tuesday, March 15th, 2016 - OOTP Baseball 16.11 Build 43