P · 13 seasons · 1911 – 1924 · B/T: R/R
Jeff Pfeffer ranks 1st of 0 pitchers by career roto value, one of the highest totals the site records. No season of his scores higher than 1914, at +10.9, 6th that season and 807th of 51,303 player-seasons on record. His profile is all upside: wins (+13.6), ERA (+11.5) and WHIP (+10.2), and nothing on the debit side.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1911 | SLA | 2 | -2.28 | #548 | #86,032 |
| 1913 | BRO | 5 | -2.35 | #600 | #92,009 |
| 1914 | BRO | 44 | -2.56 | #697 | #101,406 |
| 1915 | BRO | 40 | -1.73 | #360 | #45,303 |
| 1916★ | BRO | 43 | -0.85 | #227 | #35,806 |
| 1917 | BRO | 31 | -3.05 | #573 | #108,925 |
| 1918 | BRO | 1 | -2.31 | #448 | #88,256 |
| 1919 | BRO | 30 | -2.26 | #370 | #84,068 |
| 1920 | BRO | 30 | -1.79 | #355 | #46,326 |
| 1921 | STL | 24 | -3.00 | #727 | #108,530 |
| 1922 | STL | 45 | -2.20 | #444 | #77,780 |
| 1923 | STL | 26 | -3.08 | #818 | #109,188 |
| 1924 | STL | 31 | -2.93 | #838 | #107,971 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1911 | SLA | 2 | -2.37 | #196 | #37,196 |
| 1913 | BRO | 5 | -2.27 | #194 | #35,702 |
| 1914★ | BRO | 43 | 10.94 | #6 | #807 |
| 1915 | BRO | 40 | 8.08 | #13 | #2,184 |
| 1916 | BRO | 41 | 10.35 | #6 | #996 |
| 1917 | BRO | 30 | 4.51 | #30 | #6,239 |
| 1918 | BRO | 1 | -1.26 | #116 | #24,988 |
| 1919 | BRO | 30 | 5.16 | #28 | #5,233 |
| 1920 | BRO | 30 | 4.24 | #42 | #6,691 |
| 1921 | STL | 24 | -0.42 | #115 | #20,370 |
| 1922 | STL | 44 | 8.02 | #17 | #2,229 |
| 1923 | STL | 26 | 0.41 | #104 | #16,731 |
| 1924 | STL | 31 | -0.67 | #141 | #21,559 |
★ Best season by Z