P Tatsuto Kobayashi #61
HT Carp NPB
Age: 22 | Bats: R | Throws: R | Morale: Unhappy
07/10/2025
BNN Index | NPB | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P TATSUTO KOBAYASHI #61 - AGE: 22 - BATS: R - THROWS: R - MORALE: UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
4 0 1-0 1 0.00 5.2 2 0 1 8 0.53 0.2
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 55 55 55 55
Movement 50 50 50 50
Control 45 45 45 50
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 60 65
Slider 55 60
Curveball 60 65
Changeup 55 55
Cutter 60 60
Forkball 50 60
OTHER PITCHING RATINGS
Velocity 95-97 Mph
Stamina 45
Suggested Role Starter
Type Flyball Pitcher
Hold Runners 50
Defense 55
RUN/BUNT RATINGS
Running Speed: 30
Stealing Ability: 25
Baserunning Inst.: 35
Sacrifice Bunt: 35
Bunt for Hit: 35
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
07/08/2025 @ CHUN Loss, 0-8 1.2 1 0 0 0 1
07/04/2025 @ HAN Win, 2-0 1.0 0 0 0 0 3 Save
06/29/2025 YOKO Win, 2-1 2.0 1 0 0 1 3 Win
06/26/2025 @ YOM Loss, 2-5 1.0 0 0 0 0 1
06/20/2025 @ DRAG Loss, 0-1 X 6.0 3 1 1 1 5 Loss
06/14/2025 @ NIPP Loss, 2-3 X 6.0 3 3 3 1 5 Loss
06/08/2025 YOK Win, 7-6 X 3.1 4 4 4 3 6
05/06/2025 @ HAWK Loss, 0-2 X 3.1 1 1 1 1 0 Loss
04/29/2025 @ TIG Win, 4-1 X 4.2 4 1 1 2 1
04/22/2025 @ DRAG Loss, 2-3 X 6.0 5 3 3 2 4 Loss
PERSONALITY
His teammates say they don't know a lot about him.
Low: Leader
Birthday:01/16/2003
Born in:Mihama, AIC
Nationality:Japanese
Height:5' 11"
Weight:175 lbs
Local Popularity:Insignificant
National Pop.:Unknown
STATUS
Contract:Major League Contract
Salary:Y150,000
Signed Through:2025 Season
Major Service:None, 14 Days
Service This Yr:14 Days
40-Man Service:None, 14 Days
Pro Service:4 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
JAPAN PROFESSIONAL BASEBALL LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 4 0 1 0 1 0.00 5.2 2 0 0 0 1 8 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 1 0 100.0 4 2 4.76 3.18 12.71 1.59 1.01 0.53 26 0.2 .182        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 9 2 1 0 0 0 1 2 0 0 0 .222 .300 .333 .633      
vs. RHB 10 0 0 0 0 0 0 6 0 0 0 .000 .000 .000 .000      
JAPAN PROFESSIONAL BASEBALL LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
This Week 1 0 0 0 0 0.00 1.2 1 0 0 0 0 1  
Last Week 1 0 0 0 1 0.00 1.0 0 0 0 0 0 3  
June 2 0 1 0 0 0.00 3.0 1 0 0 0 1 4  
July 2 0 0 0 1 0.00 2.2 1 0 0 0 0 4  
Spring Training 4 1 0 0 1 0.00 6.2 3 0 0 0 7 9  
Career 4 0 1 0 1 0.00 5.2 2 0 0 0 1 8  
Home 1 0 1 0 0 0.00 2.0 1 0 0 0 1 3  
Road 3 0 0 0 1 0.00 3.2 1 0 0 0 0 5  
Grass 2 0 1 0 1 0.00 3.0 1 0 0 0 1 6  
Turf 2 0 0 0 0 0.00 2.2 1 0 0 0 0 2  
Day 1 0 0 0 0 0.00 1.0 0 0 0 0 0 1  
Night 3 0 1 0 1 0.00 4.2 2 0 0 0 1 7  
As Reliever / Substitution 4 0 1 0 1 0.00 5.2 2 0 0 0 1 8  
JAPAN BASEBALL NI-GUN LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 9 9 1 4 0 2.76 45.2 29 15 14 3 17 32 0 0.0 0 4 44.4
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 9.46 5.72 6.31 3.35 3.94 1.01 102 0.6 .202        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 92 8 0 1 1 6 8 22 1 0 2 .087 .175 .141 .316      
vs. RHB 69 21 2 1 2 9 9 10 2 0 0 .304 .375 .449 .824      
JAPAN BASEBALL NI-GUN LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 5 5 1 1 0 1.67 27.0 18 6 5 1 11 16  
May 1 1 0 1 0 2.70 3.1 1 1 1 1 1 0  
June 3 3 0 2 0 4.70 15.1 10 8 8 1 5 16  
Last Year 40 15 9 11 5 3.58 120.2 102 50 48 6 38 100  
Career 65 35 12 18 5 3.65 232.0 190 99 94 16 86 173  
Home 4 4 1 0 0 2.29 19.2 13 6 5 1 10 17  
Road 5 5 0 4 0 3.12 26.0 16 9 9 2 7 15  
Grass 9 9 1 4 0 2.76 45.2 29 15 14 3 17 32  
Day 3 3 0 1 0 5.14 14.0 11 8 8 1 6 12  
Night 6 6 1 3 0 1.71 31.2 18 7 6 2 11 20  
As Starter 9 9 1 4 0 2.76 45.2 29 15 14 3 17 32  
SOUTH KOREAN BASEBALL CHALLENGE LEAGUE 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 1 1 1 0 0 1.42 6.1 5 1 1 0 0 9 0 0.0 0 1 100.0
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 0 0 8.53 7.11 12.79 0.00 1.10 0.79 35 0.3 .357        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 2 1 1 0 0 0 0 1 0 0 0 .500 .500 1.000 1.500      
vs. RHB 21 4 0 0 0 1 0 8 0 0 1 .190 .227 .190 .418      
SOUTH KOREAN BASEBALL CHALLENGE LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
March 1 1 1 0 0 1.42 6.1 5 1 1 0 0 9  
2 Years Ago 35 22 9 5 0 2.52 125.0 112 42 35 8 25 146  
Career 58 45 16 9 0 3.46 244.1 257 107 94 14 50 274  
Road 1 1 1 0 0 1.42 6.1 5 1 1 0 0 9  
Grass 1 1 1 0 0 1.42 6.1 5 1 1 0 0 9  
Night 1 1 1 0 0 1.42 6.1 5 1 1 0 0 9  
As Starter 1 1 1 0 0 1.42 6.1 5 1 1 0 0 9  
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+
2025 HT - NPB 22 4 0 1 0 1 0.00 5.2 2 0 0 0 1 8 0 0 0.53 .182 1.01 0.2 999
Total NPB 4 0 1 0 1 0.00 5.2 2 0 0 0 1 8 0 0 0.53 .182 1.01 0.2 999
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+
2021 Hiroshima Toyo (Ni-Gun) - AA 18 16 11 2 3 0 4.39 65.2 59 34 32 7 31 41 0 0 1.37 .264 4.84 0.1 92
2022 Fukushima - A 19 22 22 6 4 0 4.62 113.0 140 64 58 6 25 119 0 0 1.46 .398 4.39 2.4 110
2023 Gwangju - A 20 35 22 9 5 0 2.52 125.0 112 42 35 8 25 146 0 0 1.10 .318 2.70 3.0 141
2024 HT (Ni-Gun) - AA 21 40 15 9 11 5 3.58 120.2 102 50 48 6 38 100 1 0 1.16 .277 2.75 2.2 92
2025 Gwangju - A 22 1 1 1 0 0 1.42 6.1 5 1 1 0 0 9 0 0 0.79 .357 1.10 0.3 220
2025 HT (Ni-Gun) - AA 22 9 9 1 4 0 2.76 45.2 29 15 14 3 17 32 0 0 1.01 .202 3.94 0.6 139
Total NGN 65 35 12 18 5 3.65 232.0 190 99 94 16 86 173 1 0 1.19 .259 3.58 98.4
Total BCL 58 45 16 9 0 3.46 244.1 257 107 94 14 50 274 0 0 1.26 .358 3.44 125.5
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2021 Hiroshima Toyo (Ni-Gun) - AA P 16 11 4 4 0 8 0 1.000 65.2 1.10 +0.3 1.144
2022 Fukushima - A P 22 22 1 11 0 14 2 .857 113.0 0.96 +0.2 .934
2023 Gwangju - A P 35 22 3 9 0 12 0 1.000 125.0 0.86 -0.4 .956
2024 HT (Ni-Gun) - AA P 40 15 8 6 0 14 0 1.000 120.2 1.04 -0.7 1.285
2025 HT (Ni-Gun) - AA P 9 9 3 3 0 6 0 1.000 45.2 1.18 +0.0 1.315
2025 Gwangju - A P 1 1 0 0 0 0 0 .000 6.1 0.00 +0.4 .000
2025 HT - INT P 4 0 0 1 0 1 0 1.000 5.2 1.59 +0.0 .987
TOTAL P 127 80 19 34 0 55 2 .964 482.0 0.99 -0.3 1.077
PLAYER HISTORY
10/26/2020 Drafted by the Hiroshima Toyo Carp in the 4th round of the 2020 NPB draft.
03/26/2021 Named the #95 prospect in the NPB
05/15/2021 Injured (sore back),day-to-day for 5 days.
07/08/2021 Injured (elbow strain),out for 2-3 weeks.
11/09/2021 Named the #89 prospect in the NPB
01/01/2022 OSA scouting updated ratings (potential): Stuff: 40 (55); Movement: 35 (45); Control: 30 (45).
10/03/2022 Named the #90 prospect in the NPB
01/01/2023 OSA scouting updated ratings (potential): Stuff: 40 (55); Movement: 35 (45); Control: 45 (60).
03/31/2023 Named the #71 prospect in the NPB
06/17/2023 Injured on 06/16/2023, diagnosed with a sore hand, is day-to-day.
06/24/2023 Named the #62 prospect in the NPB
07/31/2023 Was selected to the 2023 South Korean Baseball Challenge League All-Star Game.
10/10/2023 Named the #41 prospect in the NPB
01/01/2024 OSA scouting updated ratings (potential): Stuff: 45 (55); Movement: 50 (55); Control: 40 (40).
03/29/2024 Named the #76 prospect in the NPB
06/22/2024 Named the #73 prospect in the NPB
10/06/2024 Named the #57 prospect in the NPB
01/01/2025 OSA scouting updated ratings (potential): Stuff: 50 (55); Movement: 50 (50); Control: 45 (50).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 50 (55); Movement: 50 (50); Control: 45 (50).
03/28/2025 Named the #64 prospect in the NPB
05/08/2025 Injured on 05/06/2025, diagnosed with a sore shoulder, will miss 4 weeks.
06/21/2025 Named the #52 prospect in the NPB
Wednesday, July 9th , 2025 - OOTP Baseball 25.11 Build 104