Jack Kochanowicz
PPitcher · #41
- Bats
- L
- Throws
- R
- Born
- Philadelphia, PA, USA
- MLB Debut
- 2024-07-11
- Bats
- L
- Throws
- R
- Born
- Philadelphia, PA, USA
- MLB Debut
- 2024-07-11
2026 Season
- 13
- G
- 2
- W
- 5
- L
- 6.19
- ERA
- 47
- SO
- 1.58
- WHIP
Career
- 47
- G
- 7
- W
- 22
- L
- 5.88
- ERA
- 144
- SO
- 1.55
- WHIP
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0
Relics
2019
First Year
1
Topps Now
Cards by Year2019–2025
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26 Cards Across 15 Products
| # | Set | Team | eBay |
|---|---|---|---|
| MA-JK | MINI BASEBALL AUTOGRAPH CARDS | LAA |  Find this card on eBay |
| # | Set | Team | eBay |
|---|---|---|---|
| MA-JK | MINI BASEBALL AUTOGRAPH CARDS | LAA | Find this card on eBay |
Jack Kochanowicz card index (26 cards across 15 products)
2025 Topps Allen Ginter Baseball (1)
- #MA-JK MINI BASEBALL AUTOGRAPH CARDS
2025 Topps Allen Ginter X Baseball (1)
- #MA-JK MINI BASEBALL AUTOGRAPH CARDS
2025 Topps Baseball Series 1 (3)
- #17 BASE SET
- #17 GOLDEN MIRROR IMAGE VARIATION
- #BSA-JKO BASEBALL STARS AUTOGRAPHS
2025 Topps Baseball Series 1 - MLB World Tour: Tokyo Series Exclusive (3)
- #17 BASE SET
- #17 GOLDEN MIRROR IMAGE VARIATION
- #BSA-JKO BASEBALL STARS AUTOGRAPHS
2025 Topps Baseball Series 2 (1)
- #90A-JKO 1990 TOPPS BASEBALL AUTOGRAPH CARDS
2025 Topps Chrome Baseball (2)
- #RA-JKO ROOKIE AUTOGRAPHS
- #121 BASE CARDS
2025 Topps Chrome Baseball Logofractor Edition (1)
- #121 BASE CARDS
2025 Topps Chrome Baseball Sapphire Edition (1)
- #121 BASE CARDS
2025 Topps Chrome® Platinum Baseball (2)
- #CPA-JKO AUTOGRAPH CARDS
- #203 BASE CARDS
2025 Topps Complete Sets Baseball (1)
- #17 BASE SET
2025 Topps Series 1 Mega Celebration (3)
- #17 BASE SET
- #17 GOLDEN MIRROR IMAGE VARIATION
- #BSA-JKO BASEBALL STARS AUTOGRAPHS
2025 Topps Stadium Club Baseball (1)
- #SCBA-JK BASE CARDS I AUTOGRAPH VARIATION
2021 Bowman Platinum (2)
- #TOP-71 TOP PROSPECTS AUTOGRAPH VARIATION
- #TOP-71 TOP PROSPECTS
2019 Bowman Draft Baseball (3)
- #CDA-JK CHROME DRAFT PICK AUTOGRAPHS
- #BD-98 BASE CARDS
- #BDC-98 CHROME BASE CARDS
2019 Bowman Draft Baseball Sapphire Edition (1)
- #BDC-98 CHROME BASE CARDS