P Seiichi 'Wedge' Yamamoto #21
Age: 30 | Bats: L | Throws: L | Morale: Good    
12/31/2026
P SEIICHI 'WEDGE' YAMAMOTO #21 - AGE: 30 - BATS: L - THROWS: L - MORALE: GOOD
G GS Rec SV ERA IP HA HR BB K WHIP WAR
33 33 12-8 0 5.85 177.0 202 28 82 168 1.60 2.2
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 12
Movement 11
Control 9
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 12
Slider - 13
Changeup - 15
 
 
OTHER PITCHING RATINGS
Velocity 90-92 Mph
Stamina 12
Suggested Role Starter
Groundball Percentage 53 %
Hold Runners 18
Defense 11
RUN/BUNT RATINGS
Running Speed: 1
Stealing Ability: 1
Baserunning Inst.: 4
Sacrifice Bunt: 13
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/24/2026 @ CCC Loss, 2-8 X 4.0 5 4 4 3 8 Loss
09/19/2026 WIS Win, 4-2 X 4.0 4 2 2 3 3
09/15/2026 @ CHA Win, 10-3 X 5.0 7 3 3 1 3 Win
09/11/2026 @ HAV Loss, 0-6 X 7.0 9 5 5 3 2 Loss
09/05/2026 IND Win, 4-0 X 7.2 3 0 0 1 11 Win
09/01/2026 @ TRE Win, 44-2 X 4.2 6 2 2 3 8
08/28/2026 Flairs Win, 5-2 X 6.0 6 1 1 2 7 Win
08/23/2026 @ DXW Loss, 1-2 X 6.0 5 1 1 1 2
08/19/2026 @ BLU Loss, 2-12 X 2.0 6 8 8 4 1 Loss
08/15/2026 ALN Loss, 2-6 X 6.0 6 5 5 3 6 Loss
PERSONALITY
Leader Ability:Normal
Loyalty:Normal
Desire f. Win:Normal
Greed:High
Intelligence:Normal
Work Ethic:Normal
Birthday:09/02/1996
Born in:Akishima, TOK
Nationality:Japanese
Height:6' 8"
Weight:250 lbs
Local Popularity:Insignificant
National Pop.:Unknown
STATUS
Contract:Minor League Contract
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:-
INTERNATIONAL LEAGUE 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 33 33 12 8 0 5.85 177.0 202 123 115 28 82 168 0 0.0 0 11 33.3
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 14.75 10.27 8.54 4.17 6.05 1.60 102 2.2 .337        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 205 55 11 1 4 36 16 65 7 0 5 .268 .326 .390 .716      
vs. RHB 498 147 28 1 24 87 66 103 2 1 1 .295 .377 .500 .877      
INTERNATIONAL LEAGUE 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 5 5 1 2 0 8.31 21.2 32 25 20 5 15 20  
May 6 6 2 2 0 7.08 34.1 36 27 27 6 18 31  
June 6 6 3 0 0 4.93 34.2 38 21 19 3 12 33  
July 4 4 3 0 0 5.64 22.1 30 14 14 4 8 21  
August 6 6 1 2 0 5.40 31.2 32 20 19 7 15 28  
September 6 6 2 2 0 4.45 32.1 34 16 16 3 14 35  
Career 33 33 12 8 0 5.85 177.0 202 123 115 28 82 168  
Home 18 18 6 4 0 5.74 94.0 103 66 60 12 47 96  
Road 15 15 6 4 0 5.96 83.0 99 57 55 16 35 72  
Grass 30 30 10 8 0 5.85 160.0 181 112 104 25 74 150  
Turf 3 3 2 0 0 5.82 17.0 21 11 11 3 8 18  
Day 12 12 3 3 0 6.85 68.1 76 52 52 14 33 64  
Night 21 21 9 5 0 5.22 108.2 126 71 63 14 49 104  
As Starter 33 33 12 8 0 5.85 177.0 202 123 115 28 82 168  
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+
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+
2026 Topeka - AAA 29 33 33 12 8 0 5.85 177.0 202 123 115 28 82 168 0 0 1.60 .337 6.05 2.2 101
Total ITL 33 33 12 8 0 5.85 177.0 202 123 115 28 82 168 0 0 1.60 .337 6.05 101.5
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2026 Topeka - AAA P 33 33 8 14 1 24 2 .917 177.0 1.12 +0.6 .997
TOTAL P 33 33 8 14 1 24 2 .917 177.0 1.12 +0.6 .997
PLAYER HISTORY
12/05/2025 Entered the Baseball Stars Association as a free agent from Japan.
12/20/2025 Signed a minor league contract ($50,000 bonus) with the Springfield Stars organization.
01/01/2026 OSA scouting updated ratings (potential): Stuff: - (12); Movement: - (11); Control: - (7).
Monday, December 5th, 2016 - OOTP Baseball 17.12 Build 75