Jeff Pfeffer
Pitcher · Career Stats, Bio & Records (1911-1924)
Jeff Pfeffer was a pitcher who played in Major League Baseball from 1911 to 1924 for 4 teams, including the St. Louis Browns, a span of 14 seasons. Across 347 career appearances, he went 158-112 with a 2.77 ERA and 836 strikeouts. He also batted .206 with 0 home runs. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 5639.6.
- 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
- 6'3" / 210 lb
- Died
- 8/15/1972 in Chicago, IL, USA
- MLB Debut
- 1911-04-16
- Last Game
- 1924-09-26
Full name: Edward Joseph Pfeffer
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | SLA | AL | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 10.0 | 11 | 8 | 4 | 4 | 7.20 | 3.37 (-113%) | 43.2 |
| 1913 | BRO | NL | 0 | 1 | 5 | 2 | 1 | 0 | 0 | 24.1 | 28 | 9 | 13 | 13 | 3.33 | 3.07 (-9%) | -335.7 |
| 1914 | BRO | NL | 23 | 12 | 43 | 34 | 27 | 3 | 4 | 315.0 | 264 | 69 | 91 | 135 | 1.97 | 2.93 (+33%) | 157.4 |
| 1915 | BRO | NL | 19 | 14 | 40 | 34 | 26 | 6 | 3 | 291.2 | 243 | 68 | 76 | 84 | 2.10 | 2.90 (+28%) | -1880.5 |
| 1916 | BRO | NL | 25 | 11 | 41 | 37 | 30 | 6 | 1 | 328.2 | 274 | 70 | 63 | 128 | 1.92 | 2.78 (+31%) | 2270.3 |
| 1917 | BRO | NL | 11 | 15 | 30 | 30 | 24 | 3 | 0 | 266.0 | 225 | 66 | 66 | 115 | 2.23 | 2.69 (+17%) | 1083.2 |
| 1918 | BRO | NL | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 9.0 | 2 | 0 | 3 | 1 | 0.00 | 2.83 (+100%) | 0.0 |
| 1919 | BRO | NL | 17 | 13 | 30 | 30 | 26 | 4 | 0 | 267.0 | 270 | 79 | 49 | 92 | 2.66 | 3.09 (+14%) | 1719.9 |
| 1920 | BRO | NL | 16 | 9 | 30 | 28 | 20 | 2 | 0 | 215.0 | 225 | 72 | 45 | 80 | 3.01 | 3.45 (+13%) | 2227.7 |
| 1921 | BRO | NL | 1 | 5 | 6 | 5 | 2 | 0 | 0 | 31.2 | 36 | 16 | 9 | 8 | 4.55 | 4.02 (-13%) | 328.6 |
| 1921 | SLN | NL | 9 | 3 | 18 | 13 | 7 | 1 | 0 | 98.2 | 115 | 47 | 28 | 22 | 4.29 | 4.02 (-7%) | -242.6 |
| 1922 | SLN | NL | 19 | 12 | 44 | 32 | 19 | 1 | 2 | 261.1 | 286 | 104 | 58 | 83 | 3.58 | 4.18 (+14%) | 1591.5 |
| 1923 | SLN | NL | 8 | 9 | 26 | 18 | 7 | 1 | 0 | 152.1 | 171 | 68 | 40 | 32 | 4.02 | 4.03 (avg) | -870.9 |
| 1924 | SLN | NL | 4 | 5 | 16 | 12 | 3 | 0 | 0 | 78.0 | 102 | 46 | 30 | 20 | 5.31 | 4.13 (-29%) | -504.1 |
| 1924 | PIT | NL | 5 | 3 | 15 | 4 | 1 | 0 | 0 | 58.2 | 68 | 20 | 17 | 19 | 3.07 | 4.13 (+26%) | 51.5 |
| Career · 15 seasons | 158 | 112 | 347 | 280 | 194 | 28 | 10 | 2,407.1 | 2,320 | 742 | 592 | 836 | 2.77 | — | 5,640 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 352 | 874 | 49 | 180 | 16 | 6 | 0 | 62 | 3 | 27 | 203 | .206 | .231 | .238 | .469 | -3,202 |
Career AVG .206 vs. league average .267 across their career seasons — 22.8% below league average.
Career OBP .231 vs. league average .330 across their career seasons — 30.2% below league average.
Career SLG .238 vs. league average .358 across their career seasons — 33.6% below league average.
Career OPS .469 vs. league average .688 across their career seasons — 31.9% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | SLA | AL | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | — | — | — | — | 0.0 |
| 1913 | BRO | NL | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | — | — | — | — | 0.0 |
| 1914 | BRO | NL | 44 | 116 | 8 | 23 | 2 | 0 | 0 | 6 | 0 | 2 | 31 | .198 | .255 (-22%) | .322 (-34%) | .339 (-36%) | .661 (-35%) | -619.7 |
| 1915 | BRO | NL | 40 | 106 | 8 | 27 | 3 | 1 | 0 | 8 | 0 | 4 | 26 | .255 | .250 (+2%) | .318 (-12%) | .332 (-9%) | .651 (-10%) | -182.2 |
| 1916 | BRO | NL | 43 | 122 | 5 | 34 | 2 | 2 | 0 | 12 | 2 | 4 | 32 | .279 | .248 (+12%) | .314 (-4%) | .326 (avg) | .640 (-2%) | -61.9 |
| 1917 | BRO | NL | 31 | 100 | 7 | 13 | 0 | 1 | 0 | 6 | 0 | 2 | 28 | .130 | .248 (-48%) | .312 (-53%) | .323 (-54%) | .635 (-53%) | -771.2 |
| 1918 | BRO | NL | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .250 | — | — | — | — | 0.0 |
| 1919 | BRO | NL | 30 | 97 | 6 | 20 | 0 | 1 | 0 | 6 | 1 | 7 | 20 | .206 | .262 (-21%) | .322 (-20%) | .347 (-35%) | .670 (-27%) | -389.5 |
| 1920 | BRO | NL | 30 | 74 | 5 | 18 | 0 | 1 | 0 | 8 | 0 | 2 | 12 | .243 | .271 (-11%) | .331 (-21%) | .363 (-26%) | .694 (-23%) | -271.3 |
| 1921 | BRO | NL | 6 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1921 | SLN | NL | 18 | 29 | 2 | 4 | 1 | 0 | 0 | 1 | 0 | 2 | 7 | .138 | — | — | — | — | 0.0 |
| 1922 | SLN | NL | 45 | 98 | 3 | 24 | 6 | 0 | 0 | 12 | 0 | 4 | 17 | .245 | .285 (-14%) | .345 (-21%) | .397 (-23%) | .743 (-22%) | -361.8 |
| 1923 | SLN | NL | 26 | 55 | 3 | 7 | 2 | 0 | 0 | 2 | 0 | 0 | 10 | .127 | .282 (-55%) | .344 (-63%) | .390 (-58%) | .734 (-60%) | -544.6 |
| 1924 | SLN | NL | 16 | 26 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | .115 | — | — | — | — | 0.0 |
| 1924 | PIT | NL | 15 | 25 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | .240 | — | — | — | — | 0.0 |
| Career · 15 seasons | 352 | 874 | 49 | 180 | 16 | 6 | 0 | 62 | 3 | 27 | 203 | .206 | — | — | — | — | -3,202 | ||
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 (699 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 181 | 427 | 24 | 94 | 0 | 33 | .220 |
| Away | 171 | 447 | 25 | 85 | 0 | 32 | .190 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 176 | 1218.0 | 1148 | 376 | 296 | 456 | 2.78 |
| Away | 171 | 1182.2 | 1166 | 382 | 295 | 390 | 2.91 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1924-09-26 | PIT | CHC | W | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1924-09-21 | PIT | BRO | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1924-09-18 | PIT | PHI | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1924-09-16 | PIT | PHI | L | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1924-09-12 | PIT | BSN | W | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1924-09-06 | PIT | STL | W | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1924-08-27 | PIT | PHI | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1924-08-21 | PIT | BSN | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1924-08-18 | PIT | BRO | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1924-08-11 | PIT | PHI | W | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1924-09-26 | PIT | CHC | W | 4.2 | 2 | 0 | 0 | 1 | 0 | 0 |
| 1924-09-21 | PIT | BRO | L | 1.1 | 2 | 1 | 1 | 1 | 0 | 0 |
| 1924-09-18 | PIT | PHI | — | 0.0 | 1 | 0 | 0 | 1 | 0 | 0 |
| 1924-09-16 | PIT | PHI | — | 2.1 | 1 | 0 | 0 | 1 | 3 | 0 |
| 1924-09-12 | PIT | BSN | W | 4.2 | 6 | 2 | 1 | 0 | 1 | 0 |
| 1924-09-06 | PIT | STL | W | 6.1 | 5 | 0 | 0 | 0 | 6 | 0 |
| 1924-08-27 | PIT | PHI | L | 2.1 | 5 | 4 | 4 | 2 | 1 | 0 |
| 1924-08-21 | PIT | BSN | — | 0.2 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1924-08-18 | PIT | BRO | L | 5.0 | 7 | 3 | 3 | 1 | 3 | 0 |
| 1924-08-11 | PIT | PHI | W | 7.0 | 12 | 4 | 4 | 2 | 0 | 2 |
Fielding Statistics
Career Fielding Totals by Position
| Position | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|
| OF | 5 | 0 | 1 | 0 | 0 | 0 |
| P | 347 | 0 | 58 | 549 | 23 | 21 |
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1911 | SLA | P | 2 | 0 | 0 | 2 | 0 | 0 |
| 1913 | BRO | P | 5 | 0 | 2 | 6 | 0 | 1 |
| 1914 | BRO | P | 43 | 0 | 4 | 65 | 2 | 3 |
| 1915 | BRO | P | 40 | 0 | 9 | 62 | 2 | 0 |
| 1916 | BRO | OF | 4 | 0 | 0 | 0 | 0 | 0 |
| 1916 | BRO | P | 41 | 0 | 8 | 66 | 3 | 3 |
| 1917 | BRO | OF | 1 | 0 | 1 | 0 | 0 | 0 |
| 1917 | BRO | P | 30 | 0 | 5 | 69 | 4 | 0 |
| 1918 | BRO | P | 1 | 0 | 1 | 4 | 0 | 0 |
| 1919 | BRO | P | 30 | 0 | 14 | 78 | 5 | 3 |
| 1920 | BRO | P | 30 | 0 | 4 | 47 | 3 | 2 |
| 1921 | BRO | P | 6 | 0 | 2 | 9 | 0 | 1 |
| 1921 | SLN | P | 18 | 0 | 2 | 20 | 1 | 0 |
| 1922 | SLN | P | 44 | 0 | 4 | 65 | 1 | 3 |
| 1923 | SLN | P | 26 | 0 | 3 | 31 | 1 | 2 |
| 1924 | SLN | P | 16 | 0 | 0 | 15 | 0 | 3 |
| 1924 | PIT | P | 15 | 0 | 0 | 10 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 347 |
| Left Field | 2 |
| Right Field | 1 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Jeff Pfeffer (highlighted) compared to peers across the same era.
Jeff Pfeffer: the record in brief
The profile opens with Jeff Pfeffer's first major league game on April 16, 1911; the last one listed came on September 26, 1924. Club by club, the record runs the St. Louis Browns (1911), the Brooklyn Superbas (1913), the Brooklyn Robins (1914 to 1921), the St. Louis Cardinals (1921 to 1924), and the Pittsburgh Pirates (1924). The bio lists Pfeffer as a pitcher who batted and threw right-handed. Pfeffer is listed at 6 feet, 3 inches and 210 pounds. The birth record reads March 4, 1888, in Seymour, IL, USA. Pfeffer's death is recorded on August 15, 1972, in Chicago, IL, USA. Pfeffer's full given name, per the bio, is Edward Joseph Pfeffer.
Pfeffer went 158-112 with a 2.77 ERA in 347 games, 280 of them starts. Also on Pfeffer's record: 836 strikeouts, 194 complete games, 28 shutouts, and 10 saves. Against a 3.36 league ERA for the same years, Pfeffer was 17.6% better. No season topped the 25 wins of 1916.
Frequently Asked Questions about Jeff Pfeffer
- What years did Jeff Pfeffer play?
- Jeff Pfeffer played in Major League Baseball from 1911 to 1924.
- Was Jeff Pfeffer a pitcher?
- Yes. Jeff Pfeffer pitched in the major leagues, recording 158 wins and 836 strikeouts.
- How many home runs did Jeff Pfeffer hit?
- Jeff Pfeffer hit 0 career home runs with 180 hits.
- What teams did Jeff Pfeffer play for?
- Jeff Pfeffer played for 4 teams: the St. Louis Browns (1911), the Brooklyn Robins (1913–1921), the St. Louis Cardinals (1921–1924), and the Pittsburgh Pirates (1924).
- What were Jeff Pfeffer's career stats?
- In 347 games, Jeff Pfeffer went 158-112 with a 2.77 ERA, 836 strikeouts, 2,407.1 innings pitched, and 10 saves. At the plate he had 180 hits and 0 home runs.
- What position did Jeff Pfeffer play?
- Jeff Pfeffer played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Jeff Pfeffer and how much did he weigh?
- Jeff Pfeffer was listed at 6 feet 3 inches and 210 pounds.
- What was Jeff Pfeffer's career ERA?
- Jeff Pfeffer finished with a 2.77 career ERA, going 158-112 with 836 strikeouts.
- How many strikeouts did Jeff Pfeffer have?
- Jeff Pfeffer recorded 836 career strikeouts.
- Is Jeff Pfeffer in the Hall of Fame?
- No. Jeff Pfeffer has not been inducted into the National Baseball Hall of Fame.