P Koshiro Ohayashi #17
Temple Goers (DUK) Double
Age: 22 | Bats: R | Throws: R | Morale: Very Unhappy    
12/31/2028
BNN Index | Double | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P KOSHIRO OHAYASHI #17 - AGE: 22 - BATS: R - THROWS: R - MORALE: VERY UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
27 3 4-1 0 5.06 69.1 79 9 29 58 1.56 0.5
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 24
Movement 58
Control 57
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 71
Slider - 65
 
 
 
OTHER PITCHING RATINGS
Velocity 92-94 Mph
Stamina 93
Suggested Role Bullpen
Groundball Percentage 59 %
Hold Runners 47
Defense 26
RUN/BUNT RATINGS
Running Speed: 13
Stealing Ability: 8
Baserunning Inst.: 20
Sacrifice Bunt: 44
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/27/2028 WES Win, 12-7 X 4.2 9 5 5 2 3
09/21/2028 @ SIL Loss, 4-10 3.1 3 1 1 0 3
09/18/2028 @ JAC Loss, 6-8 1.2 5 3 2 1 1 Loss
09/16/2028 LAK Win, 7-6 1.0 0 0 0 0 0
09/12/2028 @ KIL Loss, 3-16 3.2 8 4 4 1 2
09/08/2028 WIS Win, 2-1 0.1 0 0 0 0 0
09/07/2028 @ ATL Loss, 5-7 2.0 3 1 1 1 1
09/03/2028 NEW Win, 6-1 X 6.2 1 0 0 3 7 Win
08/31/2028 SIO Win, 6-2 X 6.2 7 2 2 2 3 Win
08/26/2028 @ PAC Loss, 1-8 2.2 4 3 3 2 4
PERSONALITY
Leader Ability:Very Low
Loyalty:Very Low
Desire f. Win:Normal
Greed:Very High
Intelligence:Normal
Work Ethic:Very Low
Birthday:10/16/2006
Born in:Ikagura, NAR
Nationality:Japanese
Height:6' 3"
Weight:200 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:1 Year
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:2027, 19th Pick in Round 4
DOUBLE A 2028 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 27 3 4 1 0 5.06 69.1 79 41 39 9 29 58 0 0.0 0 2 66.7
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 3 0 0.0 24 6 14.67 10.25 7.53 3.76 5.33 1.56 105 0.5 .329        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 107 35 9 0 5 18 11 23 1 0 2 .327 .397 .551 .948      
vs. RHB 170 44 11 1 4 23 18 35 2 1 3 .259 .337 .406 .743      
DOUBLE A 2028 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
June 2 0 0 0 0 0.93 9.2 5 1 1 0 5 10  
July 7 0 1 0 0 5.27 13.2 15 9 8 3 5 11  
August 10 1 2 0 0 6.75 22.2 30 17 17 2 11 20  
September 8 2 1 1 0 5.01 23.1 29 14 13 4 8 17  
Career 27 3 4 1 0 5.06 69.1 79 41 39 9 29 58  
Home 13 3 2 0 0 4.75 36.0 39 20 19 5 13 30  
Road 14 0 2 1 0 5.40 33.1 40 21 20 4 16 28  
Grass 27 3 4 1 0 5.06 69.1 79 41 39 9 29 58  
Day 6 1 1 0 0 3.86 21.0 13 9 9 0 9 19  
Night 21 2 3 1 0 5.59 48.1 66 32 30 9 20 39  
As Starter 3 3 2 0 0 3.50 18.0 17 7 7 2 7 13  
As Reliever / Substitution 24 0 2 1 0 5.61 51.1 62 34 32 7 22 45  
SINGLE A 2028 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 20 0 3 1 4 0.72 25.0 15 2 2 1 4 24 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 11 1 80.0 20 9 7.56 5.40 8.64 1.44 3.19 0.76 76 0.4 .233        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 36 7 1 0 0 0 3 10 0 2 1 .194 .275 .222 .497      
vs. RHB 48 8 0 0 1 2 1 14 1 1 1 .167 .196 .229 .425      
SINGLE A 2028 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 11 0 2 0 2 0.00 13.0 6 0 0 0 2 13  
May 9 0 1 1 2 1.50 12.0 9 2 2 1 2 11  
Last Year 37 0 0 4 4 1.88 38.1 22 8 8 2 10 56  
Career 57 0 3 5 8 1.42 63.1 37 10 10 3 14 80  
Home 13 0 3 1 1 1.08 16.2 10 2 2 1 3 19  
Road 7 0 0 0 3 0.00 8.1 5 0 0 0 1 5  
Grass 19 0 3 1 3 0.75 24.0 15 2 2 1 4 24  
Turf 1 0 0 0 1 0.00 1.0 0 0 0 0 0 0  
Day 6 0 1 0 1 0.00 8.1 2 0 0 0 0 5  
Night 14 0 2 1 3 1.08 16.2 13 2 2 1 4 19  
As Reliever / Substitution 20 0 3 1 4 0.72 25.0 15 2 2 1 4 24  
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 1.6 256
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 86
2027 Chiba Lotte - COL 20 12 12 4 5 0 6.75 57.1 71 46 43 10 25 54 0 0 1.67 .345 5.66 0.5 78
2027 Austin - A 20 37 0 0 4 4 1.88 38.1 22 8 8 2 10 56 0 0 0.83 .267 2.82 0.7 211
2028 Austin - A 21 20 0 3 1 4 0.72 25.0 15 2 2 1 4 24 0 0 0.76 .233 3.19 0.4 583
2028 Temple - AA 21 27 3 4 1 0 5.06 69.1 79 41 39 9 29 58 0 0 1.56 .329 5.33 0.5 100
Total Double 27 3 4 1 0 5.06 69.1 79 41 39 9 29 58 0 0 1.56 .329 5.33 100.0
Total Single 57 0 3 5 8 1.42 63.1 37 10 10 3 14 80 0 0 0.81 .252 2.97 357.9
Total Pro Feeder 36 36 10 12 0 5.33 174.0 193 111 103 17 83 163 0 0 1.59 .337 4.73 129.8
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 +0.1 .889
2027 Austin - A P 36 0 1 4 0 5 0 1.000 38.1 1.17 +0.2 1.057
2027 Chiba Lotte - COL P 12 12 3 6 0 10 1 .900 57.1 1.41 +0.2 .913
2028 Temple - AA P 27 3 5 8 1 15 2 .867 69.1 1.69 -0.3 .818
2028 Austin - A P 20 0 3 5 0 8 0 1.000 25.0 2.88 +0.7 1.211
TOTAL P 119 39 18 35 2 56 3 .946 306.2 1.56 +1.2 .964
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.
01/01/2027 OSA scouting updated ratings (potential): Stuff: - (18); Movement: - (58); Control: - (54).
06/07/2027 Drafted in the 2027 first-year player draft (Round 4, Pick 19, 116th overall pick) by the Duke City Danger.
06/17/2027 Released by the Chiba Lotte Marines.
06/17/2027 Signed a minor league contract with the Duke City Danger organization with a signing bonus of $160,000.
01/01/2028 OSA scouting updated ratings (potential): Stuff: - (18); Movement: - (57); Control: - (54).
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