P Yoichibei Matsubara #14
Age: 19 | Bats: R | Throws: R | Morale: Angry    
12/31/2028
P YOICHIBEI MATSUBARA #14 - AGE: 19 - BATS: R - THROWS: R - MORALE: ANGRY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
51 0 0-3 2 5.06 83.2 77 11 55 90 1.58 -0.5
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 40
Movement 43
Control 50
PITCHING RATINGS
Pitch Cur. Pot.
Curveball - 86
Changeup - 6
Cutter - 75
 
 
OTHER PITCHING RATINGS
Velocity 95-97 Mph
Stamina 67
Suggested Role Borderline SP
Groundball Percentage 60 %
Hold Runners 13
Defense 59
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 25
Baserunning Inst.: 29
Sacrifice Bunt: 74
Bunt for Hit: 8
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/22/2028 @ BAL Loss, 3-8 3.0 3 1 1 1 4
09/21/2028 @ BAL Loss, 5-6 0.2 1 0 0 1 0
09/20/2028 SAN Win, 8-0 0.2 0 0 0 0 0
09/19/2028 SAN Loss, 3-4 1.0 2 1 1 1 1
09/18/2028 SAN Win, 6-5 1.1 1 1 1 0 1
09/14/2028 BOI Loss, 2-4 3.2 2 2 2 2 5 Loss
09/12/2028 BOI Loss, 7-9 0.2 0 1 1 1 2
09/08/2028 NEW Win, 6-5 3.1 4 0 0 5 5
09/06/2028 @ BAR Loss, 1-3 2.2 0 0 0 1 3
09/04/2028 CON Win, 9-8 1.2 4 4 4 2 0
PERSONALITY
Leader Ability:Normal
Loyalty:Normal
Desire f. Win:Normal
Greed:Normal
Intelligence:High
Work Ethic:Normal
Birthday:03/24/2009
Born in:Kashiwa, CHI
Nationality:Japanese
Height:6' 0"
Weight:165 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:1 Year
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
SINGLE A 2028 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 51 0 0 3 2 5.06 83.2 77 50 47 11 55 90 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 16 3 40.0 51 22 14.31 8.28 9.68 5.92 5.11 1.58 118 -0.5 .310        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 124 31 4 1 6 23 25 36 3 1 0 .250 .368 .444 .812      
vs. RHB 184 46 9 2 5 27 30 54 3 2 1 .250 .353 .402 .755      
SINGLE A 2028 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 9 0 0 0 1 10.05 14.1 16 16 16 1 11 19  
May 6 0 0 0 0 1.35 13.1 13 3 2 0 12 10  
June 3 0 0 0 1 16.88 2.2 4 5 5 1 3 3  
July 9 0 0 0 0 3.27 11.0 7 6 4 2 6 9  
August 13 0 0 2 0 4.35 20.2 19 10 10 4 9 22  
September 11 0 0 1 0 4.15 21.2 18 10 10 3 14 27  
Last Year 11 0 1 0 1 7.41 17.0 17 15 14 4 15 13  
Career 62 0 1 3 3 5.45 100.2 94 65 61 15 70 103  
Home 28 0 0 2 1 4.89 46.0 45 26 25 8 31 54  
Road 23 0 0 1 1 5.26 37.2 32 24 22 3 24 36  
Grass 50 0 0 3 2 5.22 81.0 77 50 47 11 54 87  
Turf 1 0 0 0 0 0.00 2.2 0 0 0 0 1 3  
Day 15 0 0 2 1 4.50 28.0 27 15 14 4 19 39  
Night 36 0 0 1 1 5.34 55.2 50 35 33 7 36 51  
As Reliever / Substitution 51 0 0 3 2 5.06 83.2 77 50 47 11 55 90  
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+
2027 Nichols - A 18 11 0 1 0 1 7.41 17.0 17 15 14 4 15 13 0 0 1.88 .255 8.15 -0.8 55
2028 Nichols - A 19 51 0 0 3 2 5.06 83.2 77 50 47 11 55 90 0 0 1.58 .310 5.11 -0.5 85
Total Single 62 0 1 3 3 5.45 100.2 94 65 61 15 70 103 0 0 1.63 .299 5.63 80.3
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2027 Nichols - A P 10 0 0 7 0 7 0 1.000 17.0 3.71 +0.2 1.057
2028 Nichols - A P 50 0 6 14 0 21 1 .952 83.2 2.15 +1.0 1.099
TOTAL P 60 0 6 21 0 28 1 .964 100.2 2.41 +1.2 1.087
PLAYER HISTORY
06/25/2025 Entered the ADULT BASEBALL LEAGUE as an international amateur free agent from Japan.
07/30/2025 Signed a minor league contract ($95,000 bonus) out of Japan with the Eureka Hornets organization.
01/01/2026 OSA scouting updated ratings (potential): Stuff: - (29); Movement: - (31); Control: - (36).
10/19/2026 Injured (stomach virus), out for 4 days.
01/01/2027 OSA scouting updated ratings (potential): Stuff: - (37); Movement: - (34); Control: - (37).
01/01/2028 OSA scouting updated ratings (potential): Stuff: - (39); Movement: - (35); Control: - (37).
07/12/2028 Injured (finger blister), day-to-day for 6 days.
07/13/2028 Injured (back soreness), out for one week.
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