P Jacob Kostyshock #31
Age: 28 | Bats: R | Throws: R | Morale: Very Good
03/07/2026
BNN Index | | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
P JACOB KOSTYSHOCK #31 - AGE: 28 - BATS: R - THROWS: R - MORALE: VERY GOOD
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)
Overall Overall Vs Left Vs Right
Stuff 25 25 30
Movement 45 40 45
HRA 45 40 45
PBABIP 45 40 45
Control 30 30 30
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 30 -
Slider 30 -
Changeup 35 -
 
 
OTHER PITCHING RATINGS
Velocity 95-97 Mph
Stamina 30
Suggested Role Strictly BP
Type Neutral
Hold Runners 40
Defense 60
RUN/BUNT RATINGS
Running Speed: 25
Stealing Ability: 25
Baserunning Inst.: 30
Sacrifice Bunt: 30
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
Birthday:01/02/1998
Born in:OFallon, MO
Nationality:American
Height:6' 4"
Weight:175 lbs
Local Popularity:Unknown
National Pop.:Unknown
STATUS
Contract:RETIRED
Salary:-
Signed Through:-
Major Service:
Service This Yr:
40-Man Service:
Pro Service:
Arbitration Eligibility:
Option Years:
Contract Extension:
Drafted:-
NEW YORK-PENN 2023 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 5 0 1 1 2 6.43 7.0 8 5 5 2 3 7 0 0.0 0 0 0.0
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 3 1 66.7 5 4 14.14 10.29 9.00 3.86 6.45 1.57 134 -0.1 .333        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 12 2 0 0 1 4 2 3 0 0 0 .167 .286 .417 .702      
vs. RHB 15 6 0 0 1 1 1 4 0 0 0 .400 .438 .600 1.038      
NEW YORK-PENN 2023 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
Career 35 0 3 3 15 4.00 36.0 33 16 16 7 13 42  
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+
2020 Twin Falls - R 22 21 0 2 1 0 5.86 27.2 23 18 18 2 23 34 0 0 1.66 .328 4.31 0.2 82
2021 Princeton - S A 23 30 0 2 2 13 3.41 29.0 25 11 11 5 10 35 0 0 1.21 .282 3.58 0.3 118
2022 Twin Falls - R 24 26 0 3 0 4 0.26 35.0 16 1 1 0 12 60 0 0 0.80 .271 0.51 1.8 1524
2023 Twin Falls - R 25 25 0 1 5 16 6.07 26.2 27 19 18 5 18 32 0 0 1.69 .386 5.32 0.1 82
2023 Princeton - S A 25 5 0 1 1 2 6.43 7.0 8 5 5 2 3 7 0 0 1.57 .333 6.45 -0.1 75
2024 Twin Falls - R 26 11 0 2 1 1 5.28 15.1 14 9 9 1 8 18 0 0 1.43 .342 3.98 0.4 110
Total NYP 35 0 3 3 15 4.00 36.0 33 16 16 7 13 42 0 0 1.28 .292 4.14 106.2
Total Pio 83 0 8 7 21 3.96 104.2 80 47 46 8 61 144 0 0 1.35 .330 3.25 130.6
CAREER POSTSEASON 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+
2021 Princeton - NYP 23 2 0 0 1 0 6.75 1.1 2 1 1 0 0 1 0 0 1.50 .400 1.32 0.1 60
2023 Princeton - NYP 25 4 0 0 0 4 0.00 4.0 1 0 0 0 1 3 0 0 0.50 .100 2.70 0.1 999
Total NYP 6 0 0 1 4 1.69 5.1 3 1 1 0 1 4 0 0 0.75 .200 2.35 238.6
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2020 Twin Falls - R P 20 0 0 2 0 2 0 1.000 27.2 0.65 +0.3 2.000
2021 Princeton - S A P 29 0 0 2 0 2 0 1.000 29.0 0.62 +0.3 .992
2022 Twin Falls - R P 25 0 0 2 0 2 0 1.000 35.0 0.51 -0.5 .982
2023 Princeton - S A P 5 0 0 0 0 0 0 .000 7.0 0.00 0.0 .000
2023 Twin Falls - R P 25 0 1 5 0 6 0 1.000 26.2 2.02 +0.4 .944
2024 Twin Falls - R P 11 0 1 0 0 1 0 1.000 15.1 0.59 -0.1 .000
TOTAL P 115 0 2 11 0 13 0 1.000 140.2 0.83 +0.3 1.080
PLAYER HISTORY
01/01/2025 OSA scouting updated ratings: Stuff: 40; Movement: 45; Control: 45.
01/01/2025 OSA scouting updated ratings: Stuff: 40; Movement: 45; Control: 45.
03/03/2025 Released by the Seattle organization.
11/06/2025 Retired from professional baseball.
Sunday, March 15th , 2026 - OOTP Baseball 27.1 Build 42