3B Justin Cosseboom #15
Age: 20 | Bats: L | Throws: R | Morale: Very Good
09/11/2026
3B JUSTIN COSSEBOOM #15 - AGE: 20 - BATS: L - THROWS: R - MORALE: VERY GOOD
G AB H 2B 3B HR RBI BB K AVG OBP SLG SB WAR
19 55 16 2 0 1 8 3 11 .291 .344 .382 0 -0.0
BATTING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.  
Contact 35 30 35 50
Gap 45 40 45 50
Power 40 35 40 55
Eye 35 30 35 40
Avoid K's 30 25 30 50
FIELDING RATINGS
Catcher Infield Outfield
Range: - 45 35
Errors: - 45 30
Arm: 20 40 45
Turn DP: - 40 -
Framing: 20 - -
POSITION RATINGS
Pitcher: - Shortstop: -
Catcher: - Left Field: -
1st Base: - Center Field: -
2nd Base: 25 Right Field: -
3rd Base: 30
       
RUN/BUNT
Running Speed: 35
Stealing Aggressiveness: 25
Stealing Ability: 20
Baserunning Inst.: 30
Sacrifice Bunt: 35
Bunt for Hit: 25
   
GAME LOG, LAST 10 GAMES
Date Vs. Result AB R H BI HR BB K SB
09/08/2026 @ ABE Win, 6-5 3 1 0 0 0 0 0 0
09/07/2026 @ ABE Win, 8-2 5 0 2 3 0 0 0 0
09/06/2026 @ GRB Win, 3-0 3 0 1 0 0 0 0 0
09/05/2026 @ GRB Loss, 1-2 4 0 3 0 0 0 0 0
09/03/2026 JER Loss, 2-13 1 0 0 0 0 0 0 0
09/01/2026 JER Win, 4-3 3 0 1 0 0 0 2 0
08/23/2026 @ Roc2 Win, 14-9 4 0 0 1 0 0 2 0
08/22/2026 @ Roc2 Win, 17-12 3 2 1 0 0 3 0 0
08/21/2026 @ Roc2 Loss, 7-9 1 0 0 0 0 0 0 0
08/20/2026 Ray2 Win, 10-9 1 1 1 1 1 0 0 0
PERSONALITY
Birthday:06/15/2006
Born in:Los Angeles, CA
Nationality:American
Height:6' 2"
Weight:190 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:Minor League Contract
Salary:-
Signed Through:-
Major Service:None, 49 Days
Service This Yr:None
40-Man Service:None, 49 Days
Pro Service:1 Year
Arbitration Eligibility:Not yet eligible
Option Years:3 option years left
Contract Extension: -
Drafted:-
SOUTH ATLANTIC LEAGUE 2026 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 19 55 16 2 0 1 8 4 3 11 .291 .344 .382 .726 .323 .091 84
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 17 63 2 0 0 1 2 1 21 3 0 0 0.0 7.6 4.76 -0.0  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   10 4 0 0 1 5 1 0 2 0 0 1 .400 .455 .700 1.155
Versus Right   45 12 2 0 0 3 3 3 9 1 2 1 .267 .320 .311 .631
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
This Week   8 2 0 0 0 3 1 0 0 0 0 0 .250 .250 .250 .500
Last Week   11 5 0 0 0 0 0 0 2 0 0 0 .455 .455 .455 .909
July   32 8 2 0 1 5 3 3 9 1 2 2 .250 .342 .406 .748
August   4 1 0 0 0 0 0 0 0 0 0 0 .250 .250 .250 .500
September   19 7 0 0 0 3 1 0 2 0 0 0 .368 .368 .368 .737
Last Year   11 3 0 0 0 1 3 4 3 0 0 0 .273 .467 .273 .739
Career   66 19 2 0 1 9 7 7 14 1 2 2 .288 .368 .364 .732
Home   21 4 0 0 0 0 0 1 5 0 0 0 .190 .227 .190 .418
Road   34 12 2 0 1 8 4 2 6 1 2 2 .353 .410 .500 .910
Grass   26 10 2 0 1 5 3 2 6 1 2 2 .385 .452 .577 1.029
Turf   29 6 0 0 0 3 1 1 5 0 0 0 .207 .233 .207 .440
Day   10 3 0 0 0 0 0 1 4 0 0 1 .300 .417 .300 .717
Night   45 13 2 0 1 8 4 2 7 1 2 1 .289 .327 .400 .727
As Starter   53 15 1 0 1 8 4 3 11 1 2 2 .283 .339 .358 .697
As Reliever / Substitution   2 1 1 0 0 0 0 0 0 0 0 0 .500 .500 1.000 1.500
ARIZONA COMPLEX LEAGUE 2026 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 22 87 35 9 3 4 18 27 11 18 .402 .470 .713 1.183 .480 .310 166
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 19 100 1 1 0 5 0 1 62 16 0 0 0.0 27.5 12.78 .8  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   19 6 3 0 1 3 3 1 3 0 0 0 .316 .350 .632 .982
Versus Right   68 29 6 3 3 15 24 10 15 1 0 1 .426 .500 .735 1.235
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
June   73 29 7 2 4 17 23 10 14 1 0 0 .397 .464 .712 1.177
July   14 6 2 1 0 1 4 1 4 0 0 1 .429 .500 .714 1.214
Last Year   42 15 3 0 2 10 8 5 9 0 0 0 .357 .426 .571 .997
Career   129 50 12 3 6 28 35 16 27 1 0 1 .388 .456 .667 1.122
Home   54 19 7 2 1 9 18 6 14 0 0 1 .352 .426 .611 1.037
Road   33 16 2 1 3 9 9 5 4 1 0 0 .485 .538 .879 1.417
Grass   87 35 9 3 4 18 27 11 18 1 0 1 .402 .470 .713 1.183
Day   33 14 5 3 1 9 12 6 4 1 0 0 .424 .500 .848 1.348
Night   54 21 4 0 3 9 15 5 14 0 0 1 .389 .450 .630 1.080
As Starter   83 33 9 3 4 18 27 11 17 1 0 1 .398 .469 .723 1.192
As Reliever / Substitution   4 2 0 0 0 0 0 0 1 0 0 0 .500 .500 .500 1.000
DOMINICAN ROOKIE LEAGUE 2026 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 15 56 15 1 1 2 11 11 6 13 .268 .339 .429 .767 .335 .161 69
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 14 62 0 0 0 4 0 0 24 4 0 0 0.0 7.0 4.21 -0.2  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   13 7 1 1 0 4 3 0 0 0 0 0 .538 .538 .769 1.308
Versus Right   43 8 0 0 2 7 8 6 13 0 0 0 .186 .286 .326 .611
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
July   5 2 0 0 0 1 0 0 1 0 0 0 .400 .400 .400 .800
August   51 13 1 1 2 10 11 6 12 0 0 0 .255 .333 .431 .765
Last Year   21 7 1 1 0 4 3 3 5 0 0 2 .333 .462 .476 .938
Career   77 22 2 2 2 15 14 9 18 0 0 2 .286 .375 .442 .817
Home   16 6 0 0 1 3 6 2 3 0 0 0 .375 .444 .562 1.007
Road   40 9 1 1 1 8 5 4 10 0 0 0 .225 .295 .375 .670
Grass   54 15 1 1 2 11 11 6 12 0 0 0 .278 .350 .444 .794
Turf   2 0 0 0 0 0 0 0 1 0 0 0 .000 .000 .000 .000
Day   20 2 0 0 0 2 3 4 6 0 0 0 .100 .250 .100 .350
Night   36 13 1 1 2 9 8 2 7 0 0 0 .361 .395 .611 1.006
As Starter   55 14 1 1 1 10 10 6 13 0 0 0 .255 .328 .364 .692
As Reliever / Substitution   1 1 0 0 1 1 1 0 0 0 0 0 1.000 1.000 4.000 5.000
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 Chicago A (DSL) - R 18 6 21 7 1 1 0 4 3 3 2 0 5 1 0 .333 .462 .476 .938 136 149 0.1
2025 Chicago A(ACL) - R 18 17 42 15 3 0 2 10 8 5 0 0 9 0 0 .357 .426 .571 .997 129 143 0.3
2025 Total - R 18 23 63 22 4 1 2 14 11 8 2 0 14 1 0 .349 .438 .540 .978 132 145 0.4
2025 Winston-Salem - A 18 5 11 3 0 0 0 1 3 4 0 0 3 0 0 .273 .467 .273 .739 95 123 0.1
2026 Chicago A (DSL) - R 19 15 56 15 1 1 2 11 11 6 0 0 13 0 0 .268 .339 .429 .767 74 69 -0.2
2026 Chicago A(ACL) - R 19 22 87 35 9 3 4 18 27 11 1 1 18 0 0 .402 .470 .713 1.183 159 166 0.8
2026 Total - R 19 37 143 50 10 4 6 29 38 17 1 1 31 0 0 .350 .420 .601 1.021 126 129 0.6
2026 Winston-Salem - A 19 19 55 16 2 0 1 8 4 3 2 1 11 0 0 .291 .344 .382 .726 89 84 -0.0
Total SAL 24 66 19 2 0 1 9 7 7 2 1 14 0 0 .288 .368 .364 .732 90 92
Total ACL 39 129 50 12 3 6 28 35 16 1 1 27 0 0 .388 .456 .667 1.122 149 158
Total DSL 21 77 22 2 2 2 15 14 9 2 0 18 1 0 .286 .375 .442 .817 92 93
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2026 Chicago A(ACL) - R 2B 1 0 0 0 0 0 0 .000 1.0 0.00 0.0 .000
2026 Chicago A (DSL) - R 2B 1 1 2 3 2 5 0 1.000 9.0 5.00 +0.1 1.070
2026 Winston-Salem - A 3B 15 15 6 37 1 44 1 .977 112.0 3.46 -0.1 .973
2026 Chicago A(ACL) - R 3B 20 19 13 30 5 46 3 .935 173.2 2.23 -0.0 .990
2026 Chicago A (DSL) - R 3B 7 7 3 12 2 15 0 1.000 58.0 2.33 +0.4 1.003
TOTAL 2B 2 1 2 3 2 5 0 1.000 10.0 4.50 +0.1 1.070
TOTAL 3B 42 41 22 79 8 105 4 .962 343.2 2.65 +0.2 .984
PLAYER HISTORY
03/01/2025 Signed a 1-year minor league contract with the Chicago White Sox organization.
01/01/2026 OSA scouting updated ratings (potential): Contact: 30 (50); Power: 35 (60); Eye: 25 (40).
Thursday, June 4th , 2026 - OOTP Baseball 26.8 Build 82