P Mitsuo Kobayashi #18
Age: 21 | Bats: R | Throws: R | Morale: Great    
12/31/2026
P MITSUO KOBAYASHI #18 - AGE: 21 - BATS: R - THROWS: R - MORALE: GREAT
G GS Rec SV ERA IP HA HR BB K WHIP WAR
54 14 11-4 10 2.74 118.1 98 6 40 180 1.17 3.4
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 64
Movement 47
Control 56
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 88
Curveball - 91
Changeup - 7
Splitter - 57
 
OTHER PITCHING RATINGS
Velocity 96-98 Mph
Stamina 67
Suggested Role Starter
Groundball Percentage 56 %
Hold Runners 32
Defense 41
RUN/BUNT RATINGS
Running Speed: 4
Stealing Ability: 4
Baserunning Inst.: 26
Sacrifice Bunt: 17
Bunt for Hit: 11
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
11/09/2026 @ SOC Loss, 0-0 X 1.2 1 0 0 0 3
10/12/2026 NEW Win, 6-2 X 6.0 2 2 2 0 10 Win
09/25/2027 @ BAR Loss, 0-0 X 7.0 4 1 1 1 10
09/16/2027 @ VIC Loss, 0-0 X 5.1 4 0 0 0 9 Win
09/04/2027 @ VIC Loss, 0-0 X 5.2 3 1 1 3 10 Win
08/27/2027 @ BAL Loss, 0-0 X 4.1 7 4 4 1 8
08/11/2027 SAN Loss, 0-0 X 5.1 6 0 0 3 6 Win
07/31/2027 @ NEW Loss, 0-0 X 4.1 7 5 5 2 6 Loss
07/14/2027 @ STP Loss, 0-0 X 7.0 2 1 1 0 8 Win
07/06/2027 @ CHI Loss, 0-0 X 2.1 8 4 4 3 7 Loss
PERSONALITY
Leader Ability:Normal
Loyalty:High
Desire f. Win:Normal
Greed:High
Intelligence:High
Work Ethic:Normal
Birthday:11/11/2005
Born in:Tsuruga, FUK
Nationality:Japanese
Height:5' 11"
Weight:175 lbs
Local Popularity:Fair
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:2025, 21st Pick in Round 3
SINGLE A 2026 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 54 14 11 4 10 2.74 118.1 98 36 36 6 40 180 0 0.0 0 4 28.6
Pitching SVO BS SV% RA GF R/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 18 3 76.9 40 28 11.03 7.45 13.69 3.04 2.67 1.17 64 3.4 .351        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 147 35 2 2 3 9 14 61 1 1 3 .238 .315 .340 .655      
vs. RHB 298 63 13 2 3 27 26 119 2 0 4 .211 .282 .299 .580      
SINGLE A 2026 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 6 2 2 0 0 2.87 15.2 16 5 5 1 7 21  
May 8 2 1 0 0 1.04 17.1 9 2 2 0 4 29  
June 9 2 2 0 0 3.71 17.0 14 7 7 1 7 21  
July 13 3 2 2 3 4.38 24.2 23 12 12 1 8 39  
August 7 2 2 0 3 2.87 15.2 16 5 5 2 8 25  
September 11 3 2 2 4 1.61 28.0 20 5 5 1 6 45  
Postseason 2 2 1 0 0 2.35 7.2 3 2 2 2 0 13  
Last Year 22 0 1 1 0 4.81 24.1 32 13 13 4 13 24  
Career 76 14 12 5 10 3.09 142.2 130 49 49 10 53 204  
Home 2 2 1 0 0 0.00 8.2 6 0 0 0 3 11  
Grass 46 12 8 4 9 2.74 98.2 79 30 30 6 33 150  
Turf 8 2 3 0 1 2.75 19.2 19 6 6 0 7 30  
Day 18 9 4 3 3 3.18 56.2 47 20 20 2 23 91  
Night 36 5 7 1 7 2.34 61.2 51 16 16 4 17 89  
As Starter 14 14 7 2 0 2.76 75.0 61 23 23 5 22 108  
As Reliever / Substitution 40 0 4 2 10 2.70 43.1 37 13 13 1 18 72  
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+
2024 Fukuoka SoftBank - COL 18 8 8 3 2 0 2.78 45.1 37 17 14 4 16 49 0 0 1.17 .284 3.61 1.5 194
2025 Fukuoka SoftBank - COL 19 15 15 6 4 0 3.82 77.2 69 35 33 7 15 102 0 0 1.08 .321 2.76 3.3 139
2025 Kingwood - A 19 22 0 1 1 0 4.81 24.1 32 13 13 4 13 24 0 0 1.85 .384 5.68 -0.3 86
2026 Kingwood - A 20 54 14 11 4 10 2.74 118.1 98 36 36 6 40 180 0 0 1.17 .351 2.67 3.4 145
Total A 76 14 12 5 10 3.09 142.2 130 49 49 10 53 204 0 0 1.28 .358 3.19 135.3
Total Pro Feeder 23 23 9 6 0 3.44 123.0 106 52 47 11 31 151 0 0 1.11 .307 3.08 159.0
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+
2024 Fukuoka SoftBank - Pro Feeder 18 1 1 0 0 0 1.80 5.0 3 1 1 0 2 9 0 0 1.00 .300 0.00 0.0 0
2026 Kingwood - A 20 2 2 1 0 0 2.35 7.2 3 2 2 2 0 13 0 0 0.39 .091 0.00 0.0 0
Total A 2 2 1 0 0 2.35 7.2 3 2 2 2 0 13 0 0 0.39 .091 4.31 169.6
Total Pro Feeder 1 1 0 0 0 1.80 5.0 3 1 1 0 2 9 0 0 1.00 .300 1.17 299.3
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2024 Fukuoka SoftBank - COL P 8 8 2 2 0 4 0 1.000 45.1 0.79 +0.3 1.042
2025 Kingwood - A P 22 0 4 2 1 6 0 1.000 24.1 2.22 -0.4 .788
2025 Fukuoka SoftBank - COL P 15 15 2 7 0 11 2 .818 77.2 1.04 +0.6 1.031
2026 Kingwood - A P 51 14 3 7 0 11 1 .909 118.1 0.76 +0.1 .909
TOTAL P 96 37 11 18 1 32 3 .906 265.2 0.98 +0.6 .946
PLAYER HISTORY
06/07/2024 Joined the Fukuoka SoftBank Hawks.
07/02/2024 Injured (shoulder inflammation), out for 4 weeks.
09/09/2024 Wins the 2024 NIPPON BASEBALL LEAGUE Japan Series Championship with the Fukuoka SoftBank Hawks!
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (48); Movement: - (42); Control: - (55).
05/15/2025 Was selected to the 2025 NIPPON BASEBALL LEAGUE All-Star Game.
06/07/2025 Drafted in the 2025 first-year player draft (Round 3, Pick 21, 78th overall pick) by the Maple Marauders.
06/14/2025 Released by the Fukuoka SoftBank Hawks.
06/14/2025 Signed a minor league contract with the Maple Marauders organization with a signing bonus of $260,000.
01/01/2026 OSA scouting updated ratings (potential): Stuff: - (47); Movement: - (47); Control: - (54).
08/01/2026 Injured (mild oblique strain), day-to-day for 4 days.
10/18/2026 Injured (oblique strain), out for one week.
Tuesday, March 15th, 2016 - OOTP Baseball 16.11 Build 43