P Masato Koyama #85
Age: 28 | Bats: L | Throws: L | Morale: Normal    
12/31/2034
P MASATO KOYAMA #85 - AGE: 28 - BATS: L - THROWS: L - MORALE: NORMAL
G GS Rec SV ERA IP HA HR BB K WHIP WAR
0 0 0-0 0 0.00 0.0 0 0 0 0 0.00 0.0
PITCHING RATINGS (OSA)
Pot. Overall Vs Left Vs Right Pot.
Stuff -
Movement -
Control -
PITCHING RATINGS
Pitch Cur. Pot.
 
 
 
 
 
OTHER PITCHING RATINGS
Velocity 86-88 Mph
Stamina 41
Suggested Role Strictly BP
Type Extreme Flyball Pitcher
Hold Runners 100
Defense 48
RUN/BUNT RATINGS
Running Speed: -
Stealing Ability: -
Baserunning Inst.: -
Sacrifice Bunt: -
Bunt for Hit: -
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
PERSONALITY
Koyama is intelligent on and off the field.
High: Loyalty, Intelligence
Birthday:11/08/2006
Born in:Tsuchiura, IBA
Nationality:Japanese
Height:5' 11"
Weight:175 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:RETIRED
Salary:-
Signed Through:-
Major Service:None, None
Service This Yr:None
40-Man Service:None, None
Pro Service:2 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
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 9 9 3 2 0 2.96 45.2 52 18 15 4 11 47 0 0 1.38 .356 3.26 1.6 178
2026 Yomiuri - COL 19 12 12 2 4 0 5.19 59.0 64 36 34 6 15 66 0 0 1.34 .345 3.72 1.9 104
2026 Houston - A 19 14 0 3 1 0 4.91 29.1 30 17 16 1 15 44 0 0 1.53 .408 3.20 0.4 80
2027 Houston - A 20 6 0 1 0 0 3.24 8.1 5 3 3 1 3 9 0 0 0.96 .211 4.45 -0.0 122
Total Single 20 0 4 1 0 4.54 37.2 35 20 19 2 18 53 0 0 1.41 .367 3.48 89.7
Total Japan Pro Feeder 21 21 5 6 0 4.21 104.2 116 54 49 10 26 113 0 0 1.36 .350 3.52 136.1
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 9 9 1 7 0 8 0 1.000 45.2 1.58 +0.4 1.031
2026 Houston - A P 13 0 1 3 0 4 0 1.000 29.1 1.23 +0.2 1.061
2026 Yomiuri - COL P 12 12 3 8 3 11 0 1.000 59.0 1.68 +0.6 1.037
2027 Houston - A P 5 0 0 2 0 2 0 1.000 8.1 2.16 +0.1 1.057
TOTAL P 39 21 5 20 3 25 0 1.000 142.1 1.58 +1.3 1.041
PLAYER HISTORY
06/07/2025 Joined the Yomiuri Giants.
01/01/2026 OSA scouting updated ratings (potential): Stuff: - (11); Movement: - (30); Control: - (60).
06/07/2026 Drafted in the 2026 first-year player draft (Round 6, Pick 14, 161st overall pick) by the Jacksonville Jacks.
06/07/2026 Went undrafted and became a free agent.
06/10/2026 Signed a minor league contract with the Dallas Texans organization.
01/01/2027 OSA scouting updated ratings (potential): Stuff: - (13); Movement: - (32); Control: - (53).
01/01/2028 OSA scouting updated ratings (potential): Stuff: - (32); Movement: - (26); Control: - (27).
01/01/2028 Released by the Dallas organization.
01/01/2029 OSA scouting updated ratings (potential): Stuff: - (17); Movement: - (12); Control: - (7).
01/01/2029 Retired from professional baseball.
Sunday, February 18th, 2018 - OOTP Baseball 18.8 Build 76