P Koshiro Ohayashi #15
Chiba Lotte Marines Pro Feeder
Age: 20 | Bats: R | Throws: R | Morale: Normal    
12/31/2026
BNN Index | Pro Feeder | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P KOSHIRO OHAYASHI #15 - AGE: 20 - BATS: R - THROWS: R - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
16 16 2-5 0 6.36 69.1 82 5 43 67 1.80 1.4
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 16
Movement 57
Control 59
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 67
Slider - 56
 
 
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 92
Suggested Role Starter
Groundball Percentage 60 %
Hold Runners 45
Defense 32
RUN/BUNT RATINGS
Running Speed: 16
Stealing Ability: 11
Baserunning Inst.: 17
Sacrifice Bunt: 44
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
PERSONALITY
Leader Ability:Very Low
Loyalty:Very Low
Desire f. Win:Low
Greed:Very High
Intelligence:Normal
Work Ethic:Very Low
Birthday:10/16/2006
Born in:Ikagura, NAR
Nationality:Japanese
Height:6' 3"
Weight:195 lbs
Local Popularity:Unknown
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:-
NIPPON 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 16 16 2 5 0 6.36 69.1 82 53 49 5 43 67 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 0 0 0.0 0 0 16.88 10.64 8.70 5.58 4.81 1.80 88 1.4 .360        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 129 40 5 1 2 28 18 27 2 0 1 .310 .393 .411 .804      
vs. RHB 153 42 12 1 3 25 25 40 2 0 4 .275 .386 .425 .811      
NIPPON BASEBALL LEAGUE 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
Last Year 8 8 4 2 0 2.09 47.1 40 12 11 2 15 42  
Career 24 24 6 7 0 4.63 116.2 122 65 60 7 58 109  
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+
2025 Chiba Lotte - COL 18 8 8 4 2 0 2.09 47.1 40 12 11 2 15 42 0 0 1.16 .288 3.50 1.6 254
2026 Chiba Lotte - COL 19 16 16 2 5 0 6.36 69.1 82 53 49 5 43 67 0 0 1.80 .360 4.81 1.4 85
Total Pro Feeder 24 24 6 7 0 4.63 116.2 122 65 60 7 58 109 0 0 1.54 .332 4.28 153.6
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Chiba Lotte - COL P 8 8 3 6 0 9 0 1.000 47.1 1.71 +0.4 1.031
2026 Chiba Lotte - COL P 16 16 3 6 1 9 0 1.000 69.1 1.17 -0.5 .857
TOTAL P 24 24 6 12 1 18 0 1.000 116.2 1.39 -0.1 .920
PLAYER HISTORY
06/07/2025 Joined the Chiba Lotte Marines.
01/01/2026 OSA scouting updated ratings (potential): Stuff: - (18); Movement: - (52); Control: - (60).
06/07/2026 Released by the Chiba Lotte Marines.
06/07/2026 Drafted in the 2026 first-year player draft (Round 6, Pick 5, 152nd overall pick) by the South Carolina Bombers.
06/07/2026 Drafted in the 2026 first-year player draft (Round 3, Pick 31, 91st overall pick) by the So Cal Republic.
07/07/2026 Failed to sign with the So Cal Republic organization and will return the next first-year player draft.
Tuesday, March 15th, 2016 - OOTP Baseball 16.11 Build 43