P Masaharu Aoki #17
Age: 21 | Bats: R | Throws: R | Morale: Unhappy    
12/31/2025
P MASAHARU AOKI #17 - AGE: 21 - BATS: R - THROWS: R - MORALE: UNHAPPY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
9 9 1-4 0 4.73 45.2 40 0 30 49 1.53 0.8
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 57
Movement 5
Control 60
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 66
Curveball - 86
Changeup - 64
Splitter - 64
 
OTHER PITCHING RATINGS
Velocity 94-96 Mph
Stamina 73
Suggested Role Starter
Groundball Percentage 52 %
Hold Runners 19
Defense 44
RUN/BUNT RATINGS
Running Speed: 1
Stealing Ability: 1
Baserunning Inst.: 12
Sacrifice Bunt: 39
Bunt for Hit: 12
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
05/08/2026 @ STP Loss, 0-0 X 4.0 5 3 3 5 5 Loss
04/26/2026 @ NEW Loss, 0-0 X 4.2 1 1 1 6 7
04/19/2026 @ AUS Loss, 0-0 X 4.2 7 7 7 3 1 Loss
04/10/2026 @ SAN Loss, 0-0 X 5.2 4 1 1 3 4 Win
09/24/2026 @ BEA Loss, 0-0 X 5.1 4 2 2 2 9 Loss
09/12/2026 @ WES Loss, 0-0 X 6.0 7 3 3 2 6 Loss
09/03/2026 @ BEA Loss, 0-0 X 5.1 2 0 0 2 9
08/23/2026 @ BRI Loss, 0-0 X 5.0 4 5 4 4 4
08/14/2026 @ WVI Loss, 0-0 X 5.0 6 3 3 3 4
06/14/2025 @ YOK Win, 9-7 X 3.2 4 6 6 4 5
PERSONALITY
Leader Ability:Normal
Loyalty:High
Desire f. Win:Normal
Greed:Normal
Intelligence:Normal
Work Ethic:Normal
Birthday:07/25/2004
Born in:Unknown
Nationality:Japanese
Height:6' 0"
Weight:190 lbs
Local Popularity:Well Known
National Pop.:Well Known
STATUS
Contract:Minor League Contract
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, 4th Pick in Round 1(Supp.)
SINGLE A 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 4.73 45.2 40 25 24 0 30 49 0 0.0 0 1 11.1
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 14.19 7.88 9.66 5.91 3.75 1.53 91 0.8 .325        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 54 14 4 0 0 8 13 10 0 0 1 .259 .412 .333 .745      
vs. RHB 115 26 3 1 0 17 17 39 3 0 1 .226 .324 .270 .593      
SINGLE A 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 3 3 1 1 0 5.40 15.0 12 9 9 0 12 12  
May 1 1 0 1 0 6.75 4.0 5 3 3 0 5 5  
August 2 2 0 0 0 6.30 10.0 10 8 7 0 7 8  
September 3 3 0 2 0 2.70 16.2 13 5 5 0 6 24  
Career 9 9 1 4 0 4.73 45.2 40 25 24 0 30 49  
Road 1 1 0 0 0 1.93 4.2 1 1 1 0 6 7  
Grass 9 9 1 4 0 4.73 45.2 40 25 24 0 30 49  
Day 2 2 0 1 0 5.73 11.0 11 8 7 0 6 10  
Night 7 7 1 3 0 4.41 34.2 29 17 17 0 24 39  
As Starter 9 9 1 4 0 4.73 45.2 40 25 24 0 30 49  
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 17 17 4 6 0 4.92 86.0 80 52 47 16 29 100 0 0.0 0 3 17.6
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 11.72 8.37 10.47 3.03 4.70 1.27 86 1.8 .292        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 110 22 4 0 3 11 8 32 0 0 1 .200 .261 .318 .579      
vs. RHB 225 58 7 0 13 41 21 68 0 0 2 .258 .327 .462 .789      
NIPPON BASEBALL LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
March 5 5 1 2 0 3.04 26.2 25 11 9 3 8 35  
April 5 5 1 1 0 5.70 23.2 26 18 15 4 11 25  
May 4 4 2 2 0 6.27 18.2 16 13 13 5 5 23  
June 3 3 0 1 0 5.29 17.0 13 10 10 4 5 17  
All-Star Game 1 0 0 1 0 18.00 1.0 2 2 2 1 1 1  
Career 17 17 4 6 0 4.92 86.0 80 52 47 16 29 100  
Home 7 7 4 1 0 3.40 39.2 36 16 15 7 9 49  
Road 10 10 0 5 0 6.22 46.1 44 36 32 9 20 51  
Grass 7 7 0 5 0 7.96 31.2 34 32 28 9 15 30  
Turf 10 10 4 1 0 3.15 54.1 46 20 19 7 14 70  
Day 16 16 4 6 0 5.29 80.0 78 52 47 16 28 94  
Night 1 1 0 0 0 0.00 6.0 2 0 0 0 1 6  
As Starter 17 17 4 6 0 4.92 86.0 80 52 47 16 29 100  
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+
2025 Chunichi - COL 20 17 17 4 6 0 4.92 86.0 80 52 47 16 29 100 0 0 1.27 .292 4.70 1.8 108
2025 Baltimore - A 20 9 9 1 4 0 4.73 45.2 40 25 24 0 30 49 0 0 1.53 .325 3.75 0.8 87
Total A 9 9 1 4 0 4.73 45.2 40 25 24 0 30 49 0 0 1.53 .325 3.75 87.2
Total Pro Feeder 17 17 4 6 0 4.92 86.0 80 52 47 16 29 100 0 0 1.27 .292 4.70 107.9
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Baltimore - A P 9 9 1 5 0 7 1 .857 45.2 1.18 -0.3 .876
2025 Chunichi - COL P 17 17 3 4 0 7 0 1.000 86.0 0.73 +0.7 1.031
TOTAL P 26 26 4 9 0 14 1 .929 131.2 0.89 +0.3 .938
PLAYER HISTORY
09/10/2024 Joined the Chunichi Dragons.
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (46); Movement: - (7); Control: - (60).
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 (Supplemental Round 1, Pick 4, 28th overall pick) by the Jersey Jesters.
06/17/2025 Released by the Chunichi Dragons.
06/17/2025 Signed a minor league contract with the Jersey Jesters organization with a signing bonus of $520,000.
08/09/2025 Injured (shoulder inflammation), out for 2-3 months.
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