Lou Mahaffey
Pitcher · Career Stats, Bio & Records (1898)
Lou Mahaffey was a pitcher who played in Major League Baseball in 1898 for the Louisville Colonels. Across 1 career appearance, he went 0-1 with a 3.00 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 / R
- Height / Weight
- 5'9" / 170 lb
- Died
- 10/26/1949 in Torrance, CA, USA
- MLB Debut
- 1898-04-26
Full name: Louis Wood Mahaffey
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | LS3 | NL | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 9.0 | 10 | 3 | 5 | 1 | 3.00 | 3.59 (+17%) | 0.0 |
| Career · 1 season | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 9.0 | 10 | 3 | 5 | 1 | 3.00 | — | 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.
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | .000 | .200 | .000 | .200 | 0 |
Career AVG .000 vs. league average .271 across their career seasons — 100.0% below league average.
Career OBP .200 vs. league average .334 across their career seasons — 40.1% below league average.
Career SLG .000 vs. league average .347 across their career seasons — 100.0% below league average.
Career OPS .200 vs. league average .681 across their career seasons — 70.6% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | LS3 | NL | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | .000 | — | — | — | — | 0.0 |
| Career · 1 season | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | .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 | 1 | 4 | 0 | 0 | 0 | 0 | .000 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 1 | 8.2 | 10 | 2 | 5 | 1 | 2.08 |
Last 1 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898-04-26 | LS3 | CL4 | L | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
Last 1 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1898-04-26 | LS3 | CL4 | L | 8.2 | 10 | 9 | 2 | 5 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 1 |
Frequently Asked Questions about Lou Mahaffey
- Was Lou Mahaffey a pitcher?
- Yes. Lou Mahaffey pitched in the major leagues, recording 0 wins and 1 strikeouts.
- How many home runs did Lou Mahaffey hit?
- Lou Mahaffey hit 0 career home runs.
- What was Lou Mahaffey's career batting average?
- Lou Mahaffey batted .000 over his career, with 0 hits in 4 at bats.
- What was Lou Mahaffey's career ERA?
- Lou Mahaffey finished with a 3.00 career ERA, going 0-1 with 1 strikeouts.
- How many strikeouts did Lou Mahaffey have?
- Lou Mahaffey recorded 1 career strikeouts.
- Is Lou Mahaffey in the Hall of Fame?
- No. Lou Mahaffey has not been inducted into the National Baseball Hall of Fame.