Jack Harper
Pitcher · Career Stats, Bio & Records (1915)
Jack Harper was a pitcher who played in Major League Baseball in 1915 for the Philadelphia Athletics. Across 3 career appearances, he went 0-0 with a 3.12 ERA and 3 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
- R / R
- Height / Weight
- 5'11" / 180 lb
- Died
- 6/18/1927 in Halstead, KS, USA
- MLB Debut
- 1915-04-17
- Last Game
- 1915-04-26
Full name: John Wesley Harper
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1915 | PHA | AL | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 8.2 | 5 | 3 | 1 | 3 | 3.12 | — | 0.0 |
| Career · 1 season | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 8.2 | 5 | 3 | 1 | 3 | 3.12 | — | 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.
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | .000 | .000 | .000 | 0 |
Career AVG .000 vs. league average .251 across their career seasons — 100.0% below league average.
Career OBP .000 vs. league average .319 across their career seasons — 100.0% below league average.
Career SLG .000 vs. league average .332 across their career seasons — 100.0% below league average.
Career OPS .000 vs. league average .651 across their career seasons — 100.0% below league average.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1915 | PHA | AL | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | — | — | — | — | 0.0 |
| Career · 1 season | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | — | — | — | — | 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
Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 2 | 2 | 0 | 0 | 0 | 0 | .000 |
| Away | 1 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 2 | 7.0 | 2 | 2 | 1 | 1 | 2.57 |
| Away | 1 | 1.2 | 3 | 1 | 0 | 2 | 5.40 |
Last 3 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1915-04-26 | PHA | BOS | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1915-04-21 | PHA | NYY | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1915-04-17 | PHA | NYY | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Last 3 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1915-04-26 | PHA | BOS | — | 1.2 | 3 | 2 | 1 | 0 | 2 | 0 |
| 1915-04-21 | PHA | NYY | — | 6.0 | 2 | 1 | 1 | 0 | 1 | 0 |
| 1915-04-17 | PHA | NYY | — | 1.0 | 0 | 1 | 1 | 1 | 0 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 3 |
Jack Harper: the record in brief
According to the bio, Jack Harper debuted on April 17, 1915 and played a final game on April 26, 1915. Harper spent the whole of the career shown here with one club, the Philadelphia Athletics. Harper, born on August 5, 1893, in Hendricks, WV, USA, is listed as a pitcher and batted and threw right-handed. The bio gives 180 pounds on a 5-foot-11 frame. The bio records the death on June 18, 1927, in Halstead, KS, USA. Jack Harper was the playing name; the full given name is John Wesley.
The pitching table credits Harper with a 0-0 record and a 3.12 ERA in 3 games. The same table counts 3 strikeouts. Against a 2.90 league ERA for the same seasons, the 3.12 mark was 7.6% worse. All of that pitching came in 1915, with 3 games and 3 strikeouts.
Every defensive appearance on record for Harper, 3 games, came at pitcher.
Frequently Asked Questions about Jack Harper
- Was Jack Harper a pitcher?
- Yes. Jack Harper pitched in the major leagues, recording 0 wins and 3 strikeouts.
- How many home runs did Jack Harper hit?
- Jack Harper hit 0 career home runs.
- What teams did Jack Harper play for?
- Jack Harper played for one team, the Philadelphia Athletics (1915).
- What were Jack Harper's career stats?
- In 3 games, Jack Harper went 0-0 with a 3.12 ERA, 3 strikeouts, and 8.2 innings pitched.
- What position did Jack Harper play?
- Jack Harper played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Jack Harper and how much did he weigh?
- Jack Harper was listed at 5 feet 11 inches and 180 pounds.
- What was Jack Harper's career ERA?
- Jack Harper finished with a 3.12 career ERA, going 0-0 with 3 strikeouts.
- How many strikeouts did Jack Harper have?
- Jack Harper recorded 3 career strikeouts.
- Is Jack Harper in the Hall of Fame?
- No. Jack Harper has not been inducted into the National Baseball Hall of Fame.