RF Shiro Koyama #13
Carolina Mudcats (MIL) CAR
Age: 22 | Bats: R | Throws: L | Morale: Normal
06/16/2026
BNN Index | CAR | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
RF SHIRO KOYAMA #13 - AGE: 22 - BATS: R - THROWS: L - MORALE: NORMAL
G AB H 2B 3B HR RBI BB K AVG OBP SLG SB WAR
1 4 1 0 0 0 0 0 1 .250 .250 .250 1 -0.0
BATTING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.  
Contact 45 55 45 45
Gap 45 45 45 45
Power 35 40 30 35
Eye 40 45 40 40
Avoid K's 50 75 50 50
FIELDING RATINGS
Catcher Infield Outfield
Range: - 20 55
Errors: - 30 55
Arm: 30 30 45
Turn DP: - 20 -
Framing: 25 - -
POSITION RATINGS
Pitcher: - Shortstop: -
Catcher: - Left Field: 55
1st Base: 25 Center Field: 40
2nd Base: - Right Field: 50
3rd Base: -
       
RUN/BUNT
Running Speed: 70
Stealing Aggressiveness: 60
Stealing Ability: 60
Baserunning Inst.: 50
Sacrifice Bunt: 60
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result AB R H BI HR BB K SB
06/15/2026 @ CHA Win, 4-3 4 1 1 0 0 0 1 1
06/12/2026 GWI Win, 3-1 3 0 2 1 0 0 0 0
06/10/2026 @ MEM Win, 9-8 4 0 2 1 0 0 0 0
06/09/2026 @ MEM Loss, 3-6 3 0 0 0 0 0 0 0
06/08/2026 @ MEM Loss, 3-5 2 0 0 0 0 1 0 0
06/05/2026 @ OMA Loss, 1-8 3 0 2 0 0 0 0 0
06/04/2026 IOW Loss, 2-3 3 0 0 0 0 0 0 0
06/03/2026 IOW Loss, 4-12 1 0 0 0 0 0 0 0
05/27/2026 JAC Win, 3-2 0 0 0 0 0 0 0 0
05/24/2026 @ NOR Loss, 6-8 0 0 0 0 0 0 0 0
PERSONALITY
Birthday:11/03/2003
Born in:Ome, TOK
Nationality:Japanese
Height:6' 0"
Weight:185 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:1 Year, 2 Days
Service This Yr:None
40-Man Service:1 Year, 2 Days
Pro Service:3 Years
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
INTERNATIONAL LEAGUE 2026 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 14 28 10 0 0 1 6 2 1 3 .357 .379 .464 .844 .359 .107 115
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 8 31 0 0 0 1 2 0 13 1 0 3 0.0 3.2 3.63 -0.1  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   5 2 0 0 0 0 0 0 1 0 0 0 .400 .400 .400 .800
Versus Right   23 8 0 0 1 6 2 1 2 0 2 0 .348 .375 .478 .853
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Last Week   12 4 0 0 0 2 0 1 0 0 2 0 .333 .385 .333 .718
May   9 4 0 0 1 4 2 0 3 0 0 0 .444 .444 .778 1.222
June   19 6 0 0 0 2 0 1 0 0 2 0 .316 .350 .316 .666
Career   28 10 0 0 1 6 2 1 3 0 2 0 .357 .379 .464 .844
Home   12 4 0 0 1 4 1 0 2 0 0 0 .333 .333 .583 .917
Road   16 6 0 0 0 2 1 1 1 0 2 0 .375 .412 .375 .787
Grass   25 9 0 0 1 6 1 1 2 0 2 0 .360 .385 .480 .865
Turf   3 1 0 0 0 0 1 0 1 0 0 0 .333 .333 .333 .667
Day   4 2 0 0 0 1 1 0 1 0 0 0 .500 .500 .500 1.000
Night   24 8 0 0 1 5 1 1 2 0 2 0 .333 .360 .458 .818
As Starter   25 8 0 0 1 4 2 1 3 0 2 0 .320 .346 .440 .786
As Reliever / Substitution   3 2 0 0 0 2 0 0 0 0 0 0 .667 .667 .667 1.333
SOUTHERN LEAGUE 2026 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 21 38 11 0 0 0 4 4 5 11 .289 .372 .289 .662 .306 .000 84
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 8 44 0 0 0 1 1 0 11 0 1 1 50.0 4.2 3.82 .1  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   13 4 0 0 0 1 1 1 3 0 0 0 .308 .357 .308 .665
Versus Right   25 7 0 0 0 3 3 4 8 0 1 0 .280 .379 .280 .659
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
April   22 5 0 0 0 1 2 2 7 0 1 0 .227 .292 .227 .519
May   16 6 0 0 0 3 2 3 4 0 0 0 .375 .474 .375 .849
Last Year   1 0 0 0 0 1 1 0 0 0 0 0 .000 .000 .000 .000
Career   39 11 0 0 0 5 5 5 11 0 1 0 .282 .364 .282 .646
Home   21 6 0 0 0 2 3 4 7 0 0 0 .286 .400 .286 .686
Road   17 5 0 0 0 2 1 1 4 0 1 0 .294 .333 .294 .627
Grass   37 11 0 0 0 4 4 5 11 0 1 0 .297 .381 .297 .678
Turf   1 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Day   13 2 0 0 0 1 1 1 3 0 0 0 .154 .214 .154 .368
Night   25 9 0 0 0 3 3 4 8 0 1 0 .360 .448 .360 .808
As Starter   26 5 0 0 0 1 3 4 9 0 1 0 .192 .300 .192 .492
As Reliever / Substitution   12 6 0 0 0 3 1 1 2 0 0 0 .500 .538 .500 1.038
CAROLINA LEAGUE 2026 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 1 4 1 0 0 0 0 1 0 1 .250 .250 .250 .500 .183 .000 -13
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 1 5 0 0 0 0 1 0 1 0 1 0 100.0 0.4 2.75 -0.0  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Versus Right   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
This Week   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
June   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
Career   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
Road   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
Grass   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
Day   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
As Starter   4 1 0 0 0 0 1 0 1 0 1 0 .250 .250 .250 .500
CAREER BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
CAREER MINOR LEAGUE BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2025 Wisconsin - A 21 130 457 134 22 3 6 48 67 47 8 4 69 26 8 .293 .366 .394 .760 96 94 0.8
2025 Biloxi - AA 21 1 1 0 0 0 0 1 1 0 0 0 0 0 0 .000 .000 .000 .000 -100 -134 -0.0
2026 Carolina - A 22 1 4 1 0 0 0 0 1 0 0 0 1 1 0 .250 .250 .250 .500 36 -13 -0.0
2026 Biloxi - AA 22 21 38 11 0 0 0 4 4 5 0 0 11 1 1 .289 .372 .289 .662 80 84 0.1
2026 Nashville - AAA 22 14 28 10 0 0 1 6 2 1 0 0 3 0 3 .357 .379 .464 .844 129 115 -0.1
Total IL 14 28 10 0 0 1 6 2 1 0 0 3 0 3 .357 .379 .464 .844 129 115
Total SL 22 39 11 0 0 0 5 5 5 0 0 11 1 1 .282 .364 .282 .646 76 79
Total MID 130 457 134 22 3 6 48 67 47 8 4 69 26 8 .293 .366 .394 .760 96 94
Total CAR 1 4 1 0 0 0 0 1 0 0 0 1 1 0 .250 .250 .250 .500 36 -13
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2026 Biloxi - AA 1B 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2026 Nashville - AAA LF 7 5 9 0 0 9 0 1.000 46.0 1.76 -1.7 .770
2026 Biloxi - AA LF 6 2 7 0 0 7 0 1.000 22.0 2.86 -0.5 .893
2026 Nashville - AAA CF 2 1 2 0 0 2 0 1.000 10.0 1.80 +0.2 1.043
2026 Biloxi - AA CF 5 4 12 0 0 12 0 1.000 37.0 2.92 +0.2 .985
2026 Nashville - AAA RF 5 2 8 1 0 9 0 1.000 21.0 3.86 +0.2 1.052
2026 Biloxi - AA RF 11 2 7 0 0 8 1 .875 31.1 2.01 +0.4 1.055
2026 Carolina - A RF 1 1 2 0 0 2 0 1.000 10.0 1.80 +0.1 1.109
TOTAL LF 13 7 16 0 0 16 0 1.000 68.0 2.12 -2.2 .819
TOTAL CF 7 5 14 0 0 14 0 1.000 47.0 2.68 +0.4 .993
TOTAL RF 17 5 17 1 0 19 1 .947 62.1 2.60 +0.7 1.060
PLAYER HISTORY
06/19/2025 Was selected to the 2025 Midwest League All-Star Game.
01/01/2026 OSA scouting updated ratings (potential): Contact: 45 (45); Power: 35 (35); Eye: 40 (40).
Tuesday, March 31st , 2026 - OOTP Baseball 26.8 Build 82