P Ryobe Yamasaki #18
Age: 18 | Bats: R | Throws: R | Morale: Angry    
12/31/2025
P RYOBE YAMASAKI #18 - AGE: 18 - BATS: R - THROWS: R - MORALE: ANGRY
G GS Rec SV ERA IP HA HR BB K WHIP WAR
25 25 2-13 0 7.39 106.0 135 8 89 94 2.11 -0.7
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff 30
Movement 2
Control 30
PITCHING RATINGS
Pitch Cur. Pot.
Fastball - 57
Curveball - 67
Changeup - 68
 
 
OTHER PITCHING RATINGS
Velocity 89-91 Mph
Stamina 41
Suggested Role Starter
Groundball Percentage 48 %
Hold Runners 29
Defense 57
RUN/BUNT RATINGS
Running Speed: 9
Stealing Ability: 1
Baserunning Inst.: 16
Sacrifice Bunt: 71
Bunt for Hit: 1
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
08/28/2026 @ EUG Loss, 0-0 X 4.0 3 2 2 6 2
08/18/2026 @ KIN Loss, 0-0 X 4.2 4 1 1 4 7
08/09/2026 @ AUS Loss, 0-0 X 5.0 7 3 3 1 3 Win
06/03/2026 @ WVI Loss, 0-0 X 3.2 10 6 6 4 3 Loss
07/19/2026 @ BAR Loss, 0-0 X 4.2 4 4 4 3 6
07/10/2026 @ BAL Loss, 0-0 X 4.2 4 5 4 2 6 Loss
06/29/2026 @ SAN Loss, 0-0 X 2.2 7 8 8 3 3 Loss
06/13/2026 @ KIN Loss, 0-0 X 4.0 8 4 4 3 4
06/05/2026 @ NEW Loss, 0-0 X 0.2 6 9 9 3 1 Loss
05/18/2026 @ SAN Loss, 0-0 X 3.0 4 4 4 4 5
PERSONALITY
Leader Ability:Normal
Loyalty:Very Low
Desire f. Win:Very High
Greed:Normal
Intelligence:High
Work Ethic:Normal
Birthday:06/30/2007
Born in:Hamada, SHI
Nationality:Japanese
Height:6' 4"
Weight:190 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:-
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 25 25 2 13 0 7.39 106.0 135 90 87 8 89 94 0 0.0 0 3 12.0
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 19.95 11.46 7.98 7.56 5.77 2.11 141 -0.7 .381        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 136 41 8 0 3 37 33 35 1 0 3 .301 .445 .426 .872      
vs. RHB 293 94 15 2 5 53 56 59 5 0 8 .321 .436 .437 .873      
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 7.36 11.0 12 9 9 1 13 7  
May 2 2 0 1 0 5.59 9.2 6 6 6 0 9 7  
June 5 5 0 3 0 19.93 14.0 38 33 31 2 15 13  
July 5 5 0 3 0 6.26 23.0 24 17 16 2 18 22  
August 7 7 1 3 0 5.29 32.1 38 19 19 3 21 33  
September 3 3 0 2 0 3.38 16.0 17 6 6 0 13 12  
Career 25 25 2 13 0 7.39 106.0 135 90 87 8 89 94  
Road 1 1 0 1 0 7.71 4.2 7 4 4 1 4 3  
Grass 23 23 2 12 0 7.36 96.2 124 82 79 7 82 85  
Turf 2 2 0 1 0 7.71 9.1 11 8 8 1 7 9  
Day 5 5 1 3 0 5.18 24.1 27 14 14 1 19 13  
Night 20 20 1 10 0 8.04 81.2 108 76 73 7 70 81  
As Starter 25 25 2 13 0 7.39 106.0 135 90 87 8 89 94  
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 Whitewater - A 17 25 25 2 13 0 7.39 106.0 135 90 87 8 89 94 0 0 2.11 .381 5.77 -0.7 56
Total A 25 25 2 13 0 7.39 106.0 135 90 87 8 89 94 0 0 2.11 .381 5.77 55.9
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Whitewater - A P 25 25 9 17 0 27 1 .963 106.0 2.21 +0.6 1.051
TOTAL P 25 25 9 17 0 27 1 .963 106.0 2.21 +0.6 1.051
PLAYER HISTORY
03/05/2024 Signed a minor league contract out of Japan with the Minnesota Berserkers organization.
01/01/2025 OSA scouting updated ratings (potential): Stuff: - (31); Movement: - (1); Control: - (29).
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