Louis LeRoy
Pitcher · Career Stats, Bio & Records (1905-1910)
Louis LeRoy was a pitcher who played in Major League Baseball from 1905 to 1910 for the New York Yankees and the Boston Red Sox, a span of 6 seasons. Across 15 career appearances, he went 3-1 with a 3.22 ERA and 39 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 468.7.
- 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
- 5'10" / 180 lb
- Died
- 10/10/1944 in Shawano, WI, USA
- MLB Debut
- 1905-09-22
- Last Game
- 1910-04-20
Full name: Louis Paul LeRoy
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1905 | NYA | AL | 1 | 1 | 3 | 3 | 2 | 0 | 0 | 24.0 | 26 | 10 | 1 | 8 | 3.75 | 2.82 (-33%) | -223.4 |
| 1906 | NYA | AL | 2 | 0 | 11 | 2 | 1 | 0 | 1 | 44.2 | 33 | 11 | 12 | 28 | 2.22 | 2.68 (+17%) | 692.1 |
| 1910 | BOS | AL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4.0 | 7 | 5 | 2 | 3 | 11.25 | — | 0.0 |
| Career · 3 seasons | 3 | 1 | 15 | 5 | 3 | 0 | 1 | 72.2 | 66 | 26 | 15 | 39 | 3.22 | — | 469 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 23 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | .130 | .167 | .130 | .297 | 0 |
Career AVG .130 vs. league average .248 across their career seasons — 47.5% below league average.
Career OBP .167 vs. league average .311 across their career seasons — 46.4% below league average.
Career SLG .130 vs. league average .322 across their career seasons — 59.4% below league average.
Career OPS .297 vs. league average .632 across their career seasons — 53.0% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1905 | NYA | AL | 3 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | .125 | — | — | — | — | 0.0 |
| 1906 | NYA | AL | 11 | 14 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | .143 | — | — | — | — | 0.0 |
| 1910 | BOS | AL | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 3 seasons | 15 | 23 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | .130 | — | — | — | — | 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 (30 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 10 | 19 | 1 | 3 | 0 | 1 | .158 |
| Away | 5 | 4 | 0 | 0 | 0 | 0 | .000 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 10 | 58.1 | 62 | 7 | 12 | 34 | 1.08 |
| Away | 5 | 14.1 | 8 | 0 | 3 | 6 | 0.00 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1910-04-20 | BOS | MIN | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1906-06-15 | NYY | CLE | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1906-06-12 | NYY | CLE | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1906-06-02 | NYY | PHA | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1906-05-30 | NYY | MIN | W | 4 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 |
| 1906-05-23 | NYY | CHW | W | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1906-05-08 | NYY | MIN | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1906-05-04 | NYY | PHA | W | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1906-04-25 | NYY | MIN | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1906-04-19 | NYY | BOS | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1910-04-20 | BOS | MIN | — | 4.0 | 7 | 9 | 7 | 2 | 3 | 1 |
| 1906-06-15 | NYY | CLE | — | 2.2 | 4 | 2 | 0 | 2 | 1 | 0 |
| 1906-06-12 | NYY | CLE | — | 4.2 | 0 | 0 | 0 | 0 | 2 | 0 |
| 1906-06-02 | NYY | PHA | — | 2.1 | 4 | 2 | 0 | 1 | 1 | 0 |
| 1906-05-30 | NYY | MIN | W | 9.0 | 10 | 6 | 0 | 3 | 5 | 0 |
| 1906-05-23 | NYY | CHW | SV | 7.1 | 4 | 1 | 0 | 1 | 4 | 0 |
| 1906-05-08 | NYY | MIN | — | 5.2 | 7 | 3 | 0 | 2 | 6 | 0 |
| 1906-05-04 | NYY | PHA | — | 5.0 | 3 | 2 | 0 | 0 | 5 | 0 |
| 1906-04-25 | NYY | MIN | — | 4.0 | 2 | 1 | 0 | 1 | 3 | 0 |
| 1906-04-19 | NYY | BOS | — | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
Fielding Statistics
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 15 |
College History
| School Name | City | State | Years Attended |
|---|---|---|---|
| Carlisle Indian Industrial School | Carlisle | PA | 1899, 1900, 1901 |
Louis LeRoy: the record in brief
Louis LeRoy's major league career runs from a debut on September 22, 1905 to a final game on April 20, 1910. The season rows list, in order, the New York Highlanders (1905 through 1906) and the Boston Red Sox (1910). LeRoy, a pitcher by primary position, batted and threw right-handed. The recorded size is 5 feet, 10 inches and 180 pounds. The birth record reads February 18, 1879, in Omro, WI, USA. LeRoy's death is recorded on October 10, 1944, in Shawano, WI, USA. The bio lists the given name Louis Paul.
LeRoy pitched in 15 games, starting 5, and finished with a 3-1 record and 3.22 ERA. Also on LeRoy's record: 39 strikeouts. The league ERA over LeRoy's seasons was 2.76, so the 3.22 figure ran 16.6% worse than average. Among the heaviest workloads, the lowest ERA was 2.22 in 1906, when the league's was 2.68. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, LeRoy's career adds up to 468.7.
Frequently Asked Questions about Louis LeRoy
- What years did Louis LeRoy play?
- Louis LeRoy played in Major League Baseball from 1905 to 1910.
- Was Louis LeRoy a pitcher?
- Yes. Louis LeRoy pitched in the major leagues, recording 3 wins and 39 strikeouts.
- How many home runs did Louis LeRoy hit?
- Louis LeRoy hit 0 career home runs with 3 hits.
- What teams did Louis LeRoy play for?
- Louis LeRoy played for 2 teams: the New York Highlanders (1905–1906) and the Boston Red Sox (1910).
- What were Louis LeRoy's career stats?
- In 15 games, Louis LeRoy went 3-1 with a 3.22 ERA, 39 strikeouts, 72.2 innings pitched, and 1 saves.
- What position did Louis LeRoy play?
- Louis LeRoy played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Louis LeRoy and how much did he weigh?
- Louis LeRoy was listed at 5 feet 10 inches and 180 pounds.
- What was Louis LeRoy's career ERA?
- Louis LeRoy finished with a 3.22 career ERA, going 3-1 with 39 strikeouts.
- How many strikeouts did Louis LeRoy have?
- Louis LeRoy recorded 39 career strikeouts.
- Is Louis LeRoy in the Hall of Fame?
- No. Louis LeRoy has not been inducted into the National Baseball Hall of Fame.