Jack Mercer
Pitcher · Career Stats, Bio & Records (1910)
Jack Mercer was a pitcher who played in Major League Baseball in 1910 for the Pittsburgh Pirates. Across 1 career appearance, he went 0-0 with a 0.00 ERA and 1 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
- Height / Weight
- 5'11" / —
- Died
- 6/25/1945 in Dayton, OH, USA
- MLB Debut
- 1910-08-02
Full name: Harry Vernon Mercer
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1910 | PIT | NL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 2 | 1 | 0.00 | — | 0.0 |
| Career · 1 season | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 2 | 1 | 0.00 | — | 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.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1910 | PIT | NL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 1 season | 1 | 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
Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Away | 1 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Away | 1 | 1.0 | 0 | 0 | 2 | 1 | 0.00 |
Last 1 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1910-08-02 | PIT | PHI | — | 1.0 | 0 | 0 | 0 | 2 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 1 |
Jack Mercer: the record in brief
Jack Mercer's entire major league record comes from the period beginning August 2, 1910. The team column never changes: it is the Pittsburgh Pirates in 1910. The bio lists Mercer's primary position as pitcher. The birth record reads March 10, 1889, in Zanesville, OH, USA. Mercer's death is recorded on June 25, 1945, in Dayton, OH, USA. The bio lists the given name Harry Vernon.
Across 1 games (0 starts), Mercer recorded 0 wins against 0 losses with a 0.00 ERA. The same table counts 1 strikeouts. Against a 2.79 league ERA for the same years, Mercer was 100.0% better. Mercer's only pitching season is 1910: 1 games, 1 strikeouts.
The position breakdown shows 1 games, all at pitcher.
Frequently Asked Questions about Jack Mercer
- Was Jack Mercer a pitcher?
- Yes. Jack Mercer pitched in the major leagues, recording 0 wins and 1 strikeouts.
- What teams did Jack Mercer play for?
- Jack Mercer played for one team, the Pittsburgh Pirates (1910).
- What were Jack Mercer's career stats?
- In 1 game, Jack Mercer went 0-0 with a 0.00 ERA, 1 strikeouts, and 1.0 innings pitched.
- What position did Jack Mercer play?
- Jack Mercer played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Jack Mercer?
- Jack Mercer was listed at 5 feet 11 inches.
- What was Jack Mercer's career ERA?
- Jack Mercer finished with a 0.00 career ERA, going 0-0 with 1 strikeouts.
- How many strikeouts did Jack Mercer have?
- Jack Mercer recorded 1 career strikeouts.
- Is Jack Mercer in the Hall of Fame?
- No. Jack Mercer has not been inducted into the National Baseball Hall of Fame.