P Jack '0' Kochanowicz #12
Age: 24 | Bats: L | Throws: R | Morale: Good
10/31/2025
OA: 35 POT: 42
P JACK '0' KOCHANOWICZ #12 - AGE: 24 - BATS: L - THROWS: R - MORALE: GOOD
G GS Rec SV ERA IP HA HR BB K WHIP WAR
26 19 6-7 0 3.96 147.2 154 16 24 74 1.21 1.4
PITCHING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.
Stuff 35 30 35 45
Movement 50 45 50 60
Control 60 55 60 65
PITCHING RATINGS
Pitch Cur. Pot.
Fastball 45 60
Slider 40 50
Changeup 25 45
Sinker 40 50
 
OTHER PITCHING RATINGS
Velocity 96-98 Mph
Stamina 50
Suggested Role Starter
Type Extreme Groundball
Hold Runners 50
Defense 80
RUN/BUNT RATINGS
Running Speed: 40
Stealing Ability: 40
Baserunning Inst.: 45
Sacrifice Bunt: 50
Bunt for Hit: 30
   
GAME LOG, LAST 10 GAMES
Date Vs. Result Start IP H R ER BB K Dec
09/03/2025 @ ROC Loss, 0-5 X 7.1 10 4 4 2 5 Loss
08/28/2025 @ GWI Win, 5-1 X 8.2 6 1 1 2 2 Win
08/21/2025 JAX Win, 7-5 X 5.2 11 5 5 1 0
08/15/2025 IOW Win, 5-4 X 7.1 5 3 2 1 5 Win
08/10/2025 SAC Loss, 0-4 X 8.0 8 4 4 1 8 Loss
08/05/2025 @ LHV Loss, 2-9 X 5.1 9 5 5 1 4 Loss
07/29/2025 REN Loss, 3-5 X 5.2 7 3 3 1 4
07/24/2025 ABQ Loss, 2-3 X 8.0 1 0 0 1 4
07/18/2025 ROC Loss, 0-4 X 8.2 10 4 4 2 5 Loss
07/13/2025 @ LVG Win, 7-1 X 6.0 5 1 1 4 1 Win
PERSONALITY
Birthday:12/22/2000
Born in:Lower Merion, PA
Nationality:American
Height:6' 7"
Weight:225 lbs
Local Popularity:Insignificant
National Pop.:Unknown
STATUS
Contract:Major League Contract
Salary:$760,000
Signed Through:2025 Season
Major Service:None, None
Service This Yr:None
40-Man Service:1 Year, None
Pro Service:5 Years
Arbitration Eligibility:Not yet eligible
Option Years:2 option years left
Contract Extension: -
Drafted:2019, 12th Pick in Round 4
AAA 2025 PITCHING STATS
Pitching G GS W L SV ERA IP HA R ER HR BB K CG CG% SHO QS QS%
Overall 26 19 6 7 0 3.96 147.2 154 67 65 16 24 74 0 0.0 0 9 47.4
Pitching SVO BS SV% RA GF BR/9 H/9 K/9 BB/9 FIP WHIP FIP- WAR BABIP        
Overall 0 0 0.0 7 4 11.34 9.39 4.51 1.46 4.73 1.21 106 1.4 .284        
Pitching AB H 2B 3B HR R BB K SF SH HP AVG OBP SLG OPS      
vs. LHB 286 78 12 2 9 36 13 30 1 1 4 .273 .312 .423 .736      
vs. RHB 286 76 9 2 7 31 11 44 3 1 4 .266 .299 .385 .684      
AAA 2025 PITCHING SPLITS
Split G GS W L SV ERA IP HA R ER HR BB K  
April 5 1 0 1 0 2.18 20.2 17 6 5 0 2 7  
May 3 2 1 0 0 7.36 11.0 17 9 9 1 3 4  
June 7 5 1 2 0 4.54 37.2 37 19 19 7 2 24  
July 5 5 2 1 0 2.75 36.0 34 11 11 4 9 15  
August 5 5 2 2 0 4.37 35.0 39 18 17 3 6 19  
September 1 1 0 1 0 4.91 7.1 10 4 4 1 2 5  
Career 26 19 6 7 0 3.96 147.2 154 67 65 16 24 74  
Home 13 10 2 3 0 4.07 77.1 75 37 35 10 11 44  
Road 13 9 4 4 0 3.84 70.1 79 30 30 6 13 30  
Grass 26 19 6 7 0 3.96 147.2 154 67 65 16 24 74  
Day 8 5 0 3 0 6.06 35.2 45 25 24 5 6 17  
Night 18 14 6 4 0 3.29 112.0 109 42 41 11 18 57  
As Starter 19 19 6 7 0 4.30 129.2 143 63 62 16 22 63  
As Reliever / Substitution 7 0 0 0 0 1.50 18.0 11 4 3 0 2 11  
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+
2013 Total - 12 10 10 1 7 0 6.93 37.2 49 40 29 0 18 29 0 0 1.78 .000 3.09 1.0 100
2014 Total - 13 11 0 0 0 0 3.52 7.2 8 3 3 0 4 6 0 0 1.57 .000 3.20 0.1 100
2020 Visalia - A 19 32 0 1 3 1 3.72 29.0 22 12 12 1 14 30 0 0 1.24 .280 3.50 0.3 107
2021 San Jose - A 20 10 0 0 1 1 2.70 23.1 15 8 7 2 9 22 0 0 1.03 .210 4.21 0.2 171
2021 Rancho Cucamonga - A 20 9 9 2 1 0 6.11 35.1 42 30 24 2 30 26 0 0 2.04 .336 5.72 0.0 75
2021 Total - A 20 19 9 2 2 1 4.76 58.2 57 38 31 4 39 48 0 0 1.64 .293 5.12 0.2 97
2022 Rancho Cucamonga - A 21 16 16 4 3 0 3.10 98.2 79 38 34 10 35 69 0 0 1.16 .246 3.97 1.8 140
2022 Tulsa - AA 21 6 6 1 2 0 9.12 24.2 42 28 25 8 8 10 0 0 2.03 .354 8.14 -0.4 57
2023 Great Lakes - A 22 6 0 1 0 0 3.72 9.2 8 4 4 0 5 13 0 0 1.34 .333 2.89 0.2 121
2024 Rancho Cucamonga - A 23 48 1 8 4 8 2.45 69.2 60 21 19 4 19 60 0 0 1.13 .280 2.56 1.5 135
2025 Oklahoma City - AAA 24 26 19 6 7 0 3.96 147.2 154 67 65 16 24 74 0 0 1.21 .284 4.73 1.4 112
Total AAA 26 19 6 7 0 3.96 147.2 154 67 65 16 24 74 0 0 1.21 .284 4.73 112.0
Total AA 6 6 1 2 0 9.12 24.2 42 28 25 8 8 10 0 0 2.03 .354 8.14 56.6
Total A1 115 26 15 12 10 3.38 256.0 218 109 96 19 107 207 0 0 1.27 .270 3.80 122.3
Total A2 6 0 1 0 0 3.72 9.2 8 4 4 0 5 13 0 0 1.34 .333 2.89 120.8
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2025 Oklahoma City - AAA P 26 19 6 5 1 12 1 .917 147.2 0.67 +0.4 1.023
TOTAL P 26 19 6 5 1 12 1 .917 147.2 0.67 +0.4 1.023
PLAYER HISTORY
11/03/2018 Remained undrafted and returned to college.
01/01/2019 OSA scouting updated ratings (potential): Contact: 30 (45); Power: 35 (50); Eye: 35 (55).
10/28/2019 Drafted in the 2019 first-year player draft (Round 4, Pick 12, 103rd overall pick) by the Arizona Diamondbacks, out of college (Missouri).
10/28/2019 Released by the Arizona organization.
10/28/2019 Drafted in the 2019 first-year player draft (Round 4, Pick 12, 103rd overall pick) by the Arizona Diamondbacks, out of college (Missouri).
01/01/2020 OSA scouting updated ratings (potential): Stuff: 40 (55); Movement: 35 (50); Control: 30 (45).
10/28/2020 Was traded by the Arizona Diamondbacks to the San Francisco Giants, along with SP Jonathan Stiever, RP Thomas Szapucki, RP Kodi Whitley, in exchange for RP Alex Colome, RP Greg Holland.
01/01/2021 OSA scouting updated ratings (potential): Stuff: 30 (55); Movement: 30 (50); Control: 25 (45).
07/11/2021 Was traded by the San Francisco Giants to the Los Angeles Dodgers, along with SP Alex Faedo, in exchange for RF Tyler O'Neill.
08/05/2021 Injured (mild shoulder strain),day-to-day for 5 days.
01/01/2022 OSA scouting updated ratings (potential): Stuff: 30 (55); Movement: 40 (50); Control: 35 (45).
05/26/2022 Injured (rotator cuff strain),out for 4 weeks.
01/01/2023 OSA scouting updated ratings (potential): Stuff: 45 (45); Movement: 40 (45); Control: 35 (45).
05/02/2023 Injured on 04/30/2023, diagnosed with a torn ulnar collateral ligament, will miss 11 months.
01/01/2024 OSA scouting updated ratings (potential): Stuff: 35 (40); Movement: 50 (50); Control: 55 (65).
01/01/2024 OSA scouting updated ratings (potential): Stuff: 35 (40); Movement: 50 (50); Control: 55 (65).
01/01/2025 OSA scouting updated ratings (potential): Stuff: 35 (45); Movement: 50 (60); Control: 60 (65).
07/29/2025 Injured (mild abdominal strain),day-to-day for 2 days.
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