P Hisato Kobayashi #28
Age: 19 | Bats: R | Throws: R | Morale: Normal    
12/31/2025
P HISATO KOBAYASHI #28 - AGE: 19 - BATS: R - THROWS: R - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
0 0 0-0 0 0.00 0.0 0 0 0 0 0.00 0.0
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 32
Movement 4
Control 29
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 41
Curveball - 49
Changeup - 70
Splitter - 40
Circle Change - 29
OTHER PITCHING RATINGS
Velocity 88-90 Mph
Stamina 95
Suggested Role Strictly BP
Groundball Percentage 48 %
Hold Runners 36
Defense 25
RUN/BUNT RATINGS
Running Speed: 13
Stealing Ability: 7
Baserunning Inst.: 12
Sacrifice Bunt: 80
Bunt for Hit: 4
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
06/01/2025 @ HAN Loss, 4-7 X 4.0 8 5 5 3 4 Loss
05/24/2025 ORI Loss, 3-13 X 3.1 6 5 5 4 4 Loss
05/17/2025 @ SAI Loss, 4-5 X 4.2 8 3 3 2 1
05/11/2025 TOH Loss, 4-15 X 2.0 8 8 8 1 1 Loss
04/29/2025 HOK Loss, 10-12 X 3.0 6 5 4 1 5
04/22/2025 @ HAN Loss, 7-8 X 3.1 4 6 6 4 2
04/16/2025 HOK Win, 3-2 X 5.1 6 0 0 1 5 Win
04/11/2025 TOH Loss, 2-10 X 5.2 9 6 6 1 5 Loss
03/29/2025 @ TOH Loss, 4-8 X 3.2 6 5 5 3 4 Loss
03/22/2025 ORI Win, 8-5 X 5.0 3 2 2 3 5
PERSONALITY
Leader Ability:Low
Loyalty:High
Desire f. Win:Normal
Greed:Normal
Intelligence:Low
Work Ethic:Normal
Birthday:01/29/2006
Born in:Matsudo, CHI
Nationality:Japanese
Height:6' 0"
Weight:180 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:None, Free Agent
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:2025, 12th Pick in Round 8
NIPPON 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 12 12 1 5 0 9.68 48.1 74 53 52 11 33 41 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 20.67 13.78 7.63 6.14 7.08 2.21 132 -0.2 .396        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 56 17 3 0 3 13 11 17 0 0 1 .304 .426 .518 .944      
vs. RHB 153 57 5 1 8 40 22 24 2 0 3 .373 .456 .575 1.031      
NIPPON BASEBALL LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
March 4 4 0 1 0 7.94 17.0 19 15 15 3 16 14  
April 4 4 1 1 0 8.31 17.1 25 17 16 6 7 17  
May 3 3 0 2 0 14.40 10.0 22 16 16 1 7 6  
June 1 1 0 1 0 11.25 4.0 8 5 5 1 3 4  
Last Year 8 8 0 4 0 10.09 30.1 57 35 34 10 13 28  
Career 20 20 1 9 0 9.84 78.2 131 88 86 21 46 69  
Home 7 7 1 3 0 9.10 28.2 43 30 29 8 15 29  
Road 5 5 0 2 0 10.53 19.2 31 23 23 3 18 12  
Grass 12 12 1 5 0 9.68 48.1 74 53 52 11 33 41  
Day 10 10 0 5 0 10.80 40.0 62 48 48 9 31 31  
Night 2 2 1 0 0 4.32 8.1 12 5 4 2 2 10  
As Starter 12 12 1 5 0 9.68 48.1 74 53 52 11 33 41  
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 Chiba Lotte - COL 18 8 8 0 4 0 10.09 30.1 57 35 34 10 13 28 0 0 2.31 .448 7.59 -0.2 53
2025 Chiba Lotte - COL 19 12 12 1 5 0 9.68 48.1 74 53 52 11 33 41 0 0 2.21 .396 7.08 -0.2 55
Total Pro Feeder 20 20 1 9 0 9.84 78.2 131 88 86 21 46 69 0 0 2.25 .417 7.28 54.3
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2024 Chiba Lotte - COL P 7 7 0 3 0 3 0 1.000 30.1 0.89 -0.2 .834
2025 Chiba Lotte - COL P 12 12 1 4 0 5 0 1.000 48.1 0.93 +0.4 1.031
TOTAL P 19 19 1 7 0 8 0 1.000 78.2 0.92 +0.2 .921
PLAYER HISTORY
06/07/2024 Joined the Chiba Lotte Marines.
06/09/2024 Injured (sore back), day-to-day for one week.
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (32); Movement: - (6); Control: - (31).
06/07/2025 Released by the Chiba Lotte Marines.
06/07/2025 Drafted in the 2025 first-year player draft (Round 8, Pick 12, 195th overall pick) by the San Francisco Earthquakes.
06/09/2025 Released by the San Francisco organization.
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