Jeff Pfeffer career ERA
2.77Career Regular Season
Jeff Pfeffer has a career ERA of 2.77 over 13 regular seasons.
- Best season on file: 0.00 in 1918.
- Most recent: 4.35 in 1924.
Average of 13 regular seasons, 1911 through 1924. Figures come from ESPN's box scores and were last read on September 22, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1911 |  BAL | 2 | 0 | 0 | 7.20 | 10.0 | 4 | 4 | 1.50 | 0 |
| 1913 |  LAD | 5 | 0 | 1 | 3.33 | 24.1 | 13 | 13 | 1.68 | 0 |
| 1914 | LAD | 43 | 23 | 12 | 1.97 | 315.0 | 135 | 91 | 1.13 | 4 |
| 1915 | LAD | 40 | 19 | 14 | 2.10 | 291.2 | 84 | 76 | 1.09 | 3 |
| 1916 | LAD | 41 | 25 | 11 | 1.92 | 328.2 | 128 | 63 | 1.03 | 1 |
| 1917 | LAD | 30 | 11 | 15 | 2.23 | 266.0 | 115 | 66 | 1.09 | 0 |
| 1918 | LAD | 1 | 1 | 0 | 0.00 | 9.0 | 1 | 3 | 0.56 | 0 |
| 1919 | LAD | 30 | 17 | 13 | 2.66 | 267.0 | 92 | 49 | 1.19 | 0 |
| 1920 | LAD | 30 | 16 | 9 | 3.01 | 215.0 | 80 | 45 | 1.26 | 0 |
| 1921 |  LAD/STL | 24 | 10 | 8 | 4.35 | 130.1 | 30 | 37 | 1.44 | 0 |
| 1922 | STL | 44 | 19 | 12 | 3.58 | 261.1 | 83 | 58 | 1.32 | 2 |
| 1923 | STL | 26 | 8 | 9 | 4.02 | 152.1 | 32 | 40 | 1.39 | 0 |
| 1924 |  STL/PIT | 31 | 9 | 8 | 4.35 | 136.2 | 39 | 47 | 1.59 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV