Jack Leathersich
Pitcher · Career Stats, Bio & Records (2015-2017)
Jack Leathersich was a pitcher who played in Major League Baseball from 2015 to 2017 for the New York Mets, the Chicago Cubs, and the Pittsburgh Pirates, a span of 3 seasons. Across 24 career appearances, he went 0-1 with a 2.70 ERA and 21 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 342.3.
- 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
- R / L
- Height / Weight
- 5'11" / 205 lb
- MLB Debut
- 2015-04-29
- Last Game
- 2017-10-01
Full name: John Victor Leathersich
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | NYN | NL | 0 | 1 | 17 | 0 | 0 | 0 | 0 | 11.2 | 12 | 3 | 7 | 14 | 2.31 | 3.96 (+42%) | 342.3 |
| 2017 | CHN | NL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.2 | 1 | 2 | 4 | 1 | 27.00 | — | 0.0 |
| 2017 | PIT | NL | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 4.1 | 3 | 0 | 2 | 6 | 0.00 | — | 0.0 |
| Career · 3 seasons | 0 | 1 | 24 | 0 | 0 | 0 | 0 | 16.2 | 16 | 5 | 13 | 21 | 2.70 | — | 342 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | NYN | NL | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2017 | CHN | NL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2017 | PIT | NL | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 3 seasons | 24 | 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 (48 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 11 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 13 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 11 | 8.0 | 7 | 3 | 7 | 8 | 3.38 |
| Away | 13 | 8.2 | 9 | 2 | 6 | 13 | 2.08 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-10-01 | PIT | WAS | — | 0.2 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2017-09-28 | PIT | WAS | — | 0.2 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2017-09-27 | PIT | BAL | — | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017-09-23 | PIT | STL | — | 0.2 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2017-09-17 | PIT | CIN | — | 1.0 | 0 | 0 | 0 | 1 | 2 | 0 |
| 2017-09-12 | PIT | MIL | — | 1.0 | 1 | 0 | 0 | 1 | 1 | 0 |
| 2017-07-06 | CHC | MIL | — | 0.2 | 1 | 2 | 2 | 4 | 1 | 0 |
| 2015-06-20 | NYN | ATL | L | 1.0 | 1 | 1 | 1 | 0 | 3 | 0 |
| 2015-06-17 | NYN | TOR | — | 0.1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2015-06-15 | NYN | TOR | — | 0.2 | 0 | 0 | 0 | 1 | 0 | 0 |
Fielding Statistics
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 24 |
Jack Leathersich: the record in brief
Jack Leathersich played a first major league game on April 29, 2015 and a last one on October 1, 2017. The team column moves through the New York Mets (2015), the Chicago Cubs (2017), and the Pittsburgh Pirates (2017). Leathersich is listed as a pitcher at 5'11" and 205 pounds. The bio says Leathersich batted right-handed and threw left-handed. Leathersich was born on July 14, 1990, in Beverly, MA, USA. Jack Leathersich was the playing name; the full given name is John Victor.
Leathersich pitched in 24 games, starting 0, and finished with a 0-1 record and 2.70 ERA. Also on Leathersich's record: 21 strikeouts. The leagues Leathersich pitched in allowed 4.16 earned runs per nine over those seasons, so the career ERA was 35.1% better than average. Among the heaviest workloads, the lowest ERA was 2.31 in 2015, when the league's was 3.96. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 342.3 for Leathersich's career.
Leathersich's game-by-game log, linked below the splits, holds 48 games from Retrosheet.
Every defensive appearance on record for Leathersich, 24 games, came at pitcher. Fielding on the mound produced 0 putouts and 2 assists against 0 errors.
Frequently Asked Questions about Jack Leathersich
- What years did Jack Leathersich play?
- Jack Leathersich played in Major League Baseball from 2015 to 2017.
- Was Jack Leathersich a pitcher?
- Yes. Jack Leathersich pitched in the major leagues, recording 0 wins and 21 strikeouts.
- What teams did Jack Leathersich play for?
- Jack Leathersich played for 3 teams: the New York Mets (2015), the Chicago Cubs (2017), and the Pittsburgh Pirates (2017).
- What were Jack Leathersich's career stats?
- In 24 games, Jack Leathersich went 0-1 with a 2.70 ERA, 21 strikeouts, and 16.2 innings pitched.
- What position did Jack Leathersich play?
- Jack Leathersich played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Jack Leathersich and how much did he weigh?
- Jack Leathersich was listed at 5 feet 11 inches and 205 pounds.
- What was Jack Leathersich's career ERA?
- Jack Leathersich finished with a 2.70 career ERA, going 0-1 with 21 strikeouts.
- How many strikeouts did Jack Leathersich have?
- Jack Leathersich recorded 21 career strikeouts.
- Is Jack Leathersich in the Hall of Fame?
- No. Jack Leathersich has not been inducted into the National Baseball Hall of Fame.