P Kotaro Seimiya #9
HNH (Ni-Gun) Fighters (HOKK) NGN
Age: 25 | Bats: L | Throws: R | Morale: Unhappy
07/21/2025
BNN Index | NGN | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P KOTARO SEIMIYA #9 - AGE: 25 - BATS: L - THROWS: R - MORALE: UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
38 0 3-2 0 4.00 45.0 48 2 23 43 1.58 0.2
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 55 55 60 60
Movement 45 45 50 45
Control 40 40 40 40
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 45
Slider 50 50
Curveball 60 65
Cutter 50 50
Forkball 60 60
OTHER PITCHING RATINGS
Velocity 87-89 Mph
Stamina 25
Suggested Role Strictly BP
Type Extreme Flyball
Hold Runners 40
Defense 20
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 30
Baserunning Inst.: 30
Sacrifice Bunt: 25
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
07/20/2025 SWA Win, 9-6 1.0 2 1 1 0 3 Win
07/17/2025 @ MAR Loss, 0-9 1.0 3 1 1 0 1
07/13/2025 EAG Win, 7-1 2.0 1 1 1 0 2 Win
07/05/2025 @ SWA Loss, 8-9 1.0 0 0 0 0 0
07/04/2025 @ SWA Loss, 2-3 1.0 1 0 0 1 3
06/29/2025 MAR Loss, 4-9 0.2 1 0 0 1 2
06/28/2025 MAR Loss, 4-6 0.2 1 1 1 1 1 Loss
06/27/2025 MAR Loss, 2-6 0.1 1 2 2 1 1
06/25/2025 LION Loss, 1-3 0.2 2 0 0 0 2
06/22/2025 @ EAG Loss, 3-8 1.2 2 1 1 0 0
PERSONALITY
Rigid in his routines.
Birthday:05/26/2000
Born in:Yachiyo, CHI
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:4 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
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 38 0 3 2 0 4.00 45.0 48 20 20 2 23 43 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 0 0 0.0 38 8 15.80 9.60 8.60 4.60 3.87 1.58 100 0.2 .348        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 68 19 5 1 1 11 13 18 2 0 5 .279 .420 .426 .847      
vs. RHB 106 29 4 2 1 9 10 25 1 0 3 .274 .350 .377 .727      
JAPAN BASEBALL NI-GUN LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
Last Week 2 0 1 0 0 9.00 2.0 5 2 2 1 0 4  
March 1 0 0 0 0 0.00 1.2 2 0 0 0 1 1  
April 6 0 1 0 0 4.50 8.0 10 4 4 0 4 5  
May 12 0 0 1 0 3.52 15.1 13 6 6 0 6 14  
June 14 0 0 1 0 4.50 14.0 16 7 7 0 11 14  
July 5 0 2 0 0 4.50 6.0 7 3 3 2 1 9  
Career 44 1 3 4 0 4.11 57.0 56 27 26 4 36 57  
Home 20 0 2 2 0 2.92 24.2 17 8 8 2 13 28  
Road 18 0 1 0 0 5.31 20.1 31 12 12 0 10 15  
Grass 30 0 2 2 0 3.96 36.1 39 16 16 2 18 35  
Turf 8 0 1 0 0 4.15 8.2 9 4 4 0 5 8  
Day 15 0 1 0 0 4.58 17.2 19 9 9 0 11 19  
Night 23 0 2 2 0 3.62 27.1 29 11 11 2 12 24  
As Reliever / Substitution 38 0 3 2 0 4.00 45.0 48 20 20 2 23 43  
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+
2020 TR (Ni-Gun) - AA 20 4 0 0 0 0 0.00 8.2 5 1 0 0 6 12 0 0 1.27 .278 2.85 0.2 999
2021 Tohoku Rakuten (Ni-Gun) - AA 21 2 1 0 2 0 16.20 3.1 3 6 6 2 7 2 0 0 3.00 .125 15.97 -0.4 23
2023 Jeonju - A 23 39 0 0 1 1 2.37 38.0 26 10 10 0 20 50 0 0 1.21 .321 2.53 0.6 138
2024 Jeonju - A 24 53 0 1 3 2 3.60 60.0 54 24 24 5 26 68 0 0 1.33 .314 4.24 -0.4 99
2025 HNH (Ni-Gun) - AA 25 38 0 3 2 0 4.00 45.0 48 20 20 2 23 43 0 0 1.58 .348 3.87 0.2 97
Total NGN 44 1 3 4 0 4.11 57.0 56 27 26 4 36 57 0 0 1.61 .329 4.42 93.9
Total BCL 92 0 1 4 3 3.12 98.0 80 34 34 5 46 118 0 0 1.29 .316 3.58 111.1
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2021 Tohoku Rakuten (Ni-Gun) - AA P 2 1 1 0 0 1 0 1.000 3.1 2.70 -0.4 .000
2023 Jeonju - A P 39 0 1 4 0 6 1 .833 38.0 1.18 -0.9 .764
2024 Jeonju - A P 53 0 0 4 0 4 0 1.000 60.0 0.60 -0.9 .929
2025 HNH (Ni-Gun) - AA P 37 0 3 3 0 6 0 1.000 45.0 1.20 +0.8 3.920
TOTAL P 131 1 5 11 0 17 1 .941 146.1 0.98 -1.4 1.170
PLAYER HISTORY
10/25/2018 Drafted by the Tohoku Rakuten Golden Eagles in the 1st round of the 2018 NPB Ikusei Draft from Yachiyo Shoin HS
04/30/2021 Injured on 04/27/2021, diagnosed with a ruptured ulnar collateral ligament, will miss 9 months.
10/07/2021 Wins the 2021 Nippon Baseball Ni-Gun League Farmchamp with the Tohoku Rakuten (Ni-Gun) Golden Eagles!
11/17/2021 Suffered setback in recovery from injury, requires surgery and will miss another 15 months.
01/01/2022 OSA scouting updated ratings (potential): Stuff: 45 (50); Movement: 45 (45); Control: 30 (35).
09/27/2022 Released by the Tohoku Rakuten organization.
01/01/2023 OSA scouting updated ratings (potential): Stuff: 50 (50); Movement: 45 (45); Control: 35 (35).
03/19/2023 Signed a minor league contract with the YO Giants organization.
04/06/2023 Released by the YO Giants.
05/25/2023 Signed a minor league contract with the HNH Fighters organization.
01/01/2024 OSA scouting updated ratings (potential): Stuff: 50 (50); Movement: 45 (45); Control: 35 (40).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 50 (55); Movement: 45 (50); Control: 40 (40).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 50 (55); Movement: 45 (50); Control: 40 (40).
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