P Kazutoshi Yamasaki #21
Yomiuri Giants Pro Feeder
Age: 18 | Bats: R | Throws: R | Morale: Normal    
12/31/2025
BNN Index | Pro Feeder | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P KAZUTOSHI YAMASAKI #21 - AGE: 18 - BATS: R - THROWS: R - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
11 11 1-4 0 6.28 53.0 63 8 14 36 1.45 0.8
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 16
Movement 44
Control 60
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 38
Slider - 15
Changeup - 74
 
 
OTHER PITCHING RATINGS
Velocity 87-89 Mph
Stamina 99
Suggested Role Starter
Groundball Percentage 57 %
Hold Runners 57
Defense 47
RUN/BUNT RATINGS
Running Speed: 15
Stealing Ability: 1
Baserunning Inst.: 1
Sacrifice Bunt: 39
Bunt for Hit: 15
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
08/28/2025 HIR Win, 4-3 X 5.2 4 3 3 2 6
08/19/2025 @ CHU Win, 10-3 X 7.0 5 3 3 0 4 Win
08/13/2025 @ YOK Win, 8-4 X 4.1 7 4 1 0 3
08/07/2025 CHU Win, 11-6 X 4.2 12 6 6 0 4
08/02/2025 YOK Loss, 6-8 X 5.0 6 4 4 3 3 Loss
07/26/2025 @ TOK Loss, 7-14 X 4.1 7 7 7 2 1 Loss
07/17/2025 HIR Loss, 1-12 X 1.1 2 1 1 0 1 Loss
07/12/2025 @ YOK Loss, 1-8 X 5.0 5 6 4 2 1 Loss
07/01/2025 CHU Win, 6-3 X 6.1 2 2 2 2 6
06/21/2025 YOK Win, 4-1 X 6.0 5 0 0 1 6
PERSONALITY
Leader Ability:Very Low
Loyalty:Very Low
Desire f. Win:High
Greed:High
Intelligence:Very Low
Work Ethic:Normal
Birthday:05/27/2007
Born in:Kawaguchi, SAI
Nationality:Japanese
Height:5' 10"
Weight:170 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:None
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
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 11 11 1 4 0 6.28 53.0 63 42 37 8 14 36 0 0.0 0 3 27.3
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 13.42 10.70 6.11 2.38 5.03 1.45 96 0.8 .318        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 57 15 1 0 3 12 4 7 1 0 1 .263 .317 .439 .756      
vs. RHB 158 48 9 0 5 30 10 29 1 0 1 .304 .347 .456 .803      
NIPPON BASEBALL LEAGUE 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
June 2 2 0 0 0 5.79 9.1 13 6 6 0 3 7  
July 4 4 0 3 0 7.41 17.0 16 16 14 5 6 9  
August 5 5 1 1 0 5.74 26.2 34 20 17 3 5 20  
Career 11 11 1 4 0 6.28 53.0 63 42 37 8 14 36  
Home 7 7 0 2 0 6.12 32.1 39 22 22 1 10 27  
Road 4 4 1 2 0 6.53 20.2 24 20 15 7 4 9  
Grass 3 3 0 2 0 7.90 13.2 19 17 12 6 4 5  
Turf 8 8 1 2 0 5.72 39.1 44 25 25 2 10 31  
Day 9 9 1 3 0 6.60 43.2 50 34 32 7 11 30  
Night 2 2 0 1 0 4.82 9.1 13 8 5 1 3 6  
As Starter 11 11 1 4 0 6.28 53.0 63 42 37 8 14 36  
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 Yomiuri - COL 18 11 11 1 4 0 6.28 53.0 63 42 37 8 14 36 0 0 1.45 .318 5.03 0.8 84
Total Pro Feeder 11 11 1 4 0 6.28 53.0 63 42 37 8 14 36 0 0 1.45 .318 5.03 84.4
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Yomiuri - COL P 11 11 1 8 0 9 0 1.000 53.0 1.53 +0.5 1.031
TOTAL P 11 11 1 8 0 9 0 1.000 53.0 1.53 +0.5 1.031
PLAYER HISTORY
06/07/2025 Joined the Yomiuri Giants.
07/17/2025 Injured (mild shoulder inflammation), out for one week.
10/26/2025 Injured (sinus infection), out for 2 days.
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