Jeff Pfeffer fue lanzador en la historia de MLB. En 347 apariciones de carrera, con ERA de 2.77 y 836 ponches. Esta página incluye estadísticas por temporada, historial de equipos y perfil de carrera.
Rendimiento temporada por temporada, condiciones contractuales y archivo completo.
| Año | Equipo | G | P | ERA | J | GS | SV | IL | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | SLA | 0 | 0 | 7.20 | 2 | 0 | 0 | 10.0 | 11 | 8 | 4 | 4 | 1.50 |
| 1913 | BRO | 0 | 1 | 3.33 | 5 | 2 | 0 | 24.1 | 28 | 9 | 13 | 13 | 1.68 |
| 1914 | BRO | 23 | 12 | 1.97 | 43 | 34 | 4 | 315.0 | 264 | 69 | 91 | 135 | 1.13 |
| 1915 | BRO | 19 | 14 | 2.10 | 40 | 34 | 3 | 291.2 | 243 | 68 | 76 | 84 | 1.09 |
| 1916 | BRO | 25 | 11 | 1.92 | 41 | 37 | 1 | 328.2 | 274 | 70 | 63 | 128 | 1.03 |
| 1917 | BRO | 11 | 15 | 2.23 | 30 | 30 | 0 | 266.0 | 225 | 66 | 66 | 115 | 1.09 |
| 1918 | BRO | 1 | 0 | 0.00 | 1 | 1 | 0 | 9.0 | 2 | 0 | 3 | 1 | 0.56 |
| 1919 | BRO | 17 | 13 | 2.66 | 30 | 30 | 0 | 267.0 | 270 | 79 | 49 | 92 | 1.19 |
| 1920 | BRO | 16 | 9 | 3.01 | 30 | 28 | 0 | 215.0 | 225 | 72 | 45 | 80 | 1.26 |
| 1921 | BRO | 1 | 5 | 4.55 | 6 | 5 | 0 | 31.2 | 36 | 16 | 9 | 8 | 1.42 |
| 1921 | STL | 9 | 3 | 4.29 | 18 | 13 | 0 | 98.2 | 115 | 47 | 28 | 22 | 1.45 |
| 1922 | STL | 19 | 12 | 3.58 | 44 | 32 | 2 | 261.1 | 286 | 104 | 58 | 83 | 1.32 |
| 1923 | STL | 8 | 9 | 4.02 | 26 | 18 | 0 | 152.1 | 171 | 68 | 40 | 32 | 1.39 |
| 1924 | PIT | 5 | 3 | 3.07 | 15 | 4 | 0 | 58.2 | 68 | 20 | 17 | 19 | 1.45 |
| 1924 | STL | 4 | 5 | 5.31 | 16 | 12 | 0 | 78.0 | 102 | 46 | 30 | 20 | 1.69 |
| Totales de Carrera | — | 158 | 112 | 2.77 | 347 | 280 | 10 | 2407.1 | 2320 | 742 | 592 | 836 | 1.21 |
| Año | Equipo | J | AB | C | H | 2B | 3B | HR | CI | BR | BB | K | PRO | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | SLA | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | .000 | .000 | .000 |
| 1913 | BRO | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | .000 | .000 | .000 |
| 1914 | BRO | 44 | 116 | 8 | 23 | 2 | 0 | 0 | 6 | 0 | 2 | 31 | .198 | .212 | .216 | .427 |
| 1915 | BRO | 40 | 106 | 8 | 27 | 3 | 1 | 0 | 8 | 0 | 4 | 26 | .255 | .282 | .302 | .584 |
| 1916 | BRO | 43 | 122 | 5 | 34 | 2 | 2 | 0 | 12 | 2 | 4 | 32 | .279 | .302 | .328 | .629 |
| 1917 | BRO | 31 | 100 | 7 | 13 | 0 | 1 | 0 | 6 | 0 | 2 | 28 | .130 | .147 | .150 | .297 |
| 1918 | BRO | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .250 | .250 | .250 | .500 |
| 1919 | BRO | 30 | 97 | 6 | 20 | 0 | 1 | 0 | 6 | 1 | 7 | 20 | .206 | .260 | .227 | .486 |
| 1920 | BRO | 30 | 74 | 5 | 18 | 0 | 1 | 0 | 8 | 0 | 2 | 12 | .243 | .263 | .270 | .533 |
| 1921 | BRO | 6 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 1921 | STL | 18 | 29 | 2 | 4 | 1 | 0 | 0 | 1 | 0 | 2 | 7 | .138 | .219 | .172 | .391 |
| 1922 | STL | 45 | 98 | 3 | 24 | 6 | 0 | 0 | 12 | 0 | 4 | 17 | .245 | .275 | .306 | .581 |
| 1923 | STL | 26 | 55 | 3 | 7 | 2 | 0 | 0 | 2 | 0 | 0 | 10 | .127 | .127 | .164 | .291 |
| 1924 | PIT | 15 | 25 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | .240 | .240 | .240 | .480 |
| 1924 | STL | 16 | 26 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | .115 | .115 | .115 | .231 |
| Totales de Carrera | — | 352 | 874 | 49 | 180 | 16 | 6 | 0 | 62 | 3 | 27 | 203 | .206 | .231 | .238 | .469 |