P Kouki Matsuoka #47
Age: 24 | Bats: R | Throws: R | Morale: Normal
07/08/2025
P KOUKI MATSUOKA #47 - AGE: 24 - BATS: R - THROWS: R - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
32 0 4-2 4 3.38 37.1 48 1 9 58 1.53 1.5
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 45 40 45 45
Movement 50 45 50 50
Control 40 35 40 40
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 45
Slider 45 45
Curveball 40 45
Sinker 45 45
Cutter 40 40
Forkball 45 45
OTHER PITCHING RATINGS
Velocity 90-92 Mph
Stamina 35
Suggested Role Bullpen
Type Neutral
Hold Runners 55
Defense 30
RUN/BUNT RATINGS
Running Speed: 20
Stealing Ability: 20
Baserunning Inst.: 20
Sacrifice Bunt: 35
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
07/05/2025 JT Win, 4-1 1.0 1 0 0 0 2 Save
07/04/2025 JT Win, 6-3 0.2 1 0 0 0 1
06/28/2025 CG Win, 3-2 1.0 1 0 0 0 2 Win
06/26/2025 @ JT Win, 6-2 0.2 0 0 0 0 2
06/22/2025 SR Loss, 2-5 1.1 1 0 0 0 2
06/21/2025 SR Loss, 2-6 1.1 6 6 6 1 3 Loss
06/17/2025 @ CG Loss, 1-3 1.0 2 1 1 1 2
06/15/2025 @ UP Loss, 5-7 0.1 4 5 2 2 0 Loss
06/13/2025 @ UP Win, 3-2 1.0 0 0 0 0 0 Save
06/11/2025 @ IB Loss, 2-3 1.2 2 0 0 1 1
PERSONALITY
Nothing stands out about Matsuoka.
Birthday:08/31/2000
Born in:Okegawa, SAI
Nationality:Japanese
Height:5' 11"
Weight:195 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:None, 8 Days
Service This Yr:None
40-Man Service:None, 8 Days
Pro Service:4 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
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 32 0 4 2 4 3.38 37.1 48 17 14 1 9 58 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 8 4 50.0 32 15 14.22 11.57 13.98 2.17 1.43 1.53 46 1.5 .475        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 57 14 2 1 0 8 4 23 1 0 2 .246 .312 .316 .628      
vs. RHB 99 34 1 0 1 9 5 35 1 0 0 .343 .371 .384 .755      
SOUTH KOREAN BASEBALL CHALLENGE LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
Last Week 2 0 0 0 1 0.00 1.2 2 0 0 0 0 3  
April 9 0 0 0 1 0.93 9.2 13 1 1 1 2 19  
May 11 0 2 0 1 2.40 15.0 17 4 4 0 2 22  
June 10 0 2 2 1 7.36 11.0 16 12 9 0 5 14  
July 2 0 0 0 1 0.00 1.2 2 0 0 0 0 3  
Career 32 0 4 2 4 3.38 37.1 48 17 14 1 9 58  
Home 20 0 4 1 2 3.46 26.0 29 10 10 0 4 43  
Road 12 0 0 1 2 3.18 11.1 19 7 4 1 5 15  
Grass 30 0 4 2 4 3.50 36.0 46 17 14 1 9 57  
Turf 2 0 0 0 0 0.00 1.1 2 0 0 0 0 1  
Day 11 0 2 1 1 1.26 14.1 17 5 2 0 5 25  
Night 21 0 2 1 3 4.70 23.0 31 12 12 1 4 33  
As Reliever / Substitution 32 0 4 2 4 3.38 37.1 48 17 14 1 9 58  
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+
2020 SS - NPB 19 2 0 0 0 0 13.50 2.0 5 3 3 0 2 0 0 0 3.50 .500 6.20 -0.0 30
Total NPB 2 0 0 0 0 13.50 2.0 5 3 3 0 2 0 0 0 3.50 .500 6.20 -0.0 30
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+
2020 SS (Ni-Gun) - AA 19 19 0 1 3 0 7.77 22.0 34 23 19 3 19 16 0 0 2.41 .000 6.52 -0.6 52
2021 Seibu (Ni-Gun) - AA 20 12 0 2 0 0 9.00 13.0 19 13 13 2 8 13 0 0 2.08 .395 4.92 -0.1 42
2022 Seibu (Ni-Gun) - AA 21 43 0 4 1 6 4.02 56.0 55 25 25 7 24 40 0 0 1.41 .296 6.45 0.0 152
2023 SS (Ni-Gun) - AA 22 45 0 2 2 2 2.39 52.2 42 20 14 2 27 21 0 0 1.31 .234 4.56 -0.4 158
2024 SS (Ni-Gun) - AA 23 44 0 6 2 0 2.48 58.0 51 19 16 6 28 54 0 0 1.36 .281 4.67 0.1 181
2025 Suwon - A 24 32 0 4 2 4 3.38 37.1 48 17 14 1 9 58 0 0 1.53 .475 1.43 1.5 92
Total NGN 163 0 15 8 8 3.88 201.2 201 100 87 20 106 144 0 0 1.52 .348 5.35 115.0
Total BCL 32 0 4 2 4 3.38 37.1 48 17 14 1 9 58 0 0 1.53 .475 1.43 92.3
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+
2022 Seibu (Ni-Gun) - NGN 21 1 0 0 0 0 0.00 1.0 1 0 0 0 0 0 0 0 1.00 .333 4.75 0.0 999
Total NGN 1 0 0 0 0 0.00 1.0 1 0 0 0 0 0 0 0 1.00 .333 4.75 999.0
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2020 SS - INT P 2 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2021 Seibu (Ni-Gun) - AA P 11 0 0 3 0 3 0 1.000 13.0 2.08 -0.6 .953
2022 Seibu (Ni-Gun) - AA P 43 0 3 7 1 10 0 1.000 56.0 1.61 -0.5 .970
2023 SS (Ni-Gun) - AA P 44 0 2 11 0 15 2 .867 52.2 2.22 +1.3 .808
2024 SS (Ni-Gun) - AA P 44 0 3 1 0 4 0 1.000 58.0 0.62 +0.5 .999
2025 Suwon - A P 31 0 2 3 0 5 0 1.000 37.1 1.21 +0.1 .929
TOTAL P 175 0 10 25 1 37 2 .946 217.0 1.45 +0.8 .896
PLAYER HISTORY
10/17/2019 Drafted by the Saitama Seibu Lions in the 3rd round of the 2019 NPB Draft
01/01/2022 OSA scouting updated ratings (potential): Stuff: 40 (45); Movement: 45 (45); Control: 30 (35).
09/14/2022 Injured (back stiffness),day-to-day for one week.
01/01/2023 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 55 (55); Control: 35 (35).
01/01/2024 OSA scouting updated ratings (potential): Stuff: 40 (45); Movement: 55 (60); Control: 40 (40).
09/19/2024 Wins the 2024 Japan Baseball Ni-Gun League Farmchamp with the SS (Ni-Gun) Lions!
01/01/2025 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 50 (50); Control: 40 (40).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 50 (50); Control: 40 (40).
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