Jack Kochanowicz
Pitcher · Career Stats, Bio & Records (2024-2026)
Jack Kochanowicz is a pitcher who has played in Major League Baseball since 2024 for the Los Angeles Angels of Anaheim, a span of 3 seasons. Across 47 career appearances, he has gone 7-22 with a 5.88 ERA and 144 strikeouts.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- L / R
- Height / Weight
- 6'7" / 228 lb
- MLB Debut
- 2024-07-11
Full name: Jack Von Kochanowicz
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | LAA | AL | 2 | 6 | 11 | 11 | 0 | 0 | 0 | 65.1 | 68 | 29 | 10 | 25 | 3.99 | 4.08 (+2%) | -886.0 |
| 2025 | LAA | AL | 3 | 11 | 23 | 23 | 0 | 0 | 0 | 111.0 | 136 | 84 | 58 | 72 | 6.81 | 4.16 (-64%) | -5260.2 |
| 2026 | LAA | AL | 2 | 5 | 13 | 13 | 0 | 0 | 0 | 64.0 | 65 | 44 | 36 | 47 | 6.19 | 4.18 (-48%) | - |
| Career · 3 seasons | 7 | 22 | 47 | 47 | 0 | 0 | 0 | 240.1 | 269 | 157 | 104 | 144 | 5.88 | — | -6,146 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | LAA | AL | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | LAA | AL | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (68 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 15 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 19 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 15 | 77.0 | 91 | 47 | 32 | 39 | 5.49 |
| Away | 19 | 99.1 | 113 | 66 | 36 | 58 | 5.98 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-27 | LAA | TEX | L | 3.1 | 9 | 11 | 10 | 3 | 1 | 3 |
| 2025-08-10 | LAA | DET | L | 3.0 | 9 | 7 | 6 | 2 | 1 | 1 |
| 2025-08-03 | LAA | CHW | — | 6.0 | 9 | 5 | 5 | 2 | 2 | 1 |
| 2025-07-28 | LAA | TEX | — | 4.2 | 1 | 2 | 0 | 6 | 3 | 0 |
| 2025-07-10 | LAA | TEX | L | 2.2 | 8 | 8 | 8 | 3 | 3 | 0 |
| 2025-07-05 | LAA | TOR | — | 5.1 | 6 | 3 | 3 | 2 | 1 | 1 |
| 2025-06-29 | LAA | WAS | — | 4.0 | 5 | 2 | 2 | 2 | 2 | 0 |
| 2025-06-23 | LAA | BOS | — | 5.0 | 6 | 4 | 4 | 2 | 1 | 0 |
| 2025-06-18 | LAA | NYY | — | 5.1 | 2 | 2 | 2 | 3 | 8 | 2 |
| 2025-06-13 | LAA | BAL | L | 4.1 | 4 | 2 | 2 | 0 | 2 | 2 |
Fielding Statistics
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 34 |
Jack Kochanowicz: the record in brief
The debut date in the bio is July 11, 2024; Jack Kochanowicz is an active player, and this profile updates as the season goes on. Kochanowicz spent the whole of the career shown here with one club, the Los Angeles Angels of Anaheim. Kochanowicz, born on December 22, 2000, in Philadelphia, PA, USA, is listed as a pitcher and batted left-handed and threw right-handed. Kochanowicz's listed size is 228 pounds on a 6-foot-7 frame. On the record, Jack Kochanowicz was born Jack Von Kochanowicz.
Kochanowicz's career pitching line is 7 wins, 22 losses and a 5.88 ERA over 47 appearances. The same table counts 144 strikeouts. Against a 4.14 league ERA for the same seasons, the 5.88 mark was 42.1% worse. 2025 was Kochanowicz's sharpest full season, a 6.81 ERA against the league's 4.16.
Kochanowicz appears at one position only: pitcher, in 34 games. Fielding on the mound produced 7 putouts and 18 assists against 3 errors.
The game-log section draws on 68 games of Retrosheet box scores for Kochanowicz.
Frequently Asked Questions about Jack Kochanowicz
- What years did Jack Kochanowicz play?
- Jack Kochanowicz played in Major League Baseball from 2024 to 2026.
- Was Jack Kochanowicz a pitcher?
- Yes. Jack Kochanowicz pitched in the major leagues, recording 7 wins and 144 strikeouts.
- What was Jack Kochanowicz's career ERA?
- Jack Kochanowicz finished with a 5.88 career ERA, going 7-22 with 144 strikeouts.
- How many strikeouts did Jack Kochanowicz have?
- Jack Kochanowicz recorded 144 career strikeouts.
- Is Jack Kochanowicz in the Hall of Fame?
- No. Jack Kochanowicz has not been inducted into the National Baseball Hall of Fame.
- What teams did Jack Kochanowicz play for?
- Jack Kochanowicz played for the Los Angeles Angels of Anaheim.