P · 6 seasons · 1905 – 1911 · B/T: R/R
Big 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 1906, at +0.7, 55th that season and 15545th of 51,303 player-seasons on record. On the credit side, strikeouts (+0.5). On the debit side, WHIP (-4.6), ERA (-3.7) and wins (-1.0).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1905 | CHC | 15 | -2.41 | #245 | #95,656 |
| 1906★ | BSN | 60 | -1.45 | #201 | #41,284 |
| 1907 | BSN | 21 | -2.16 | #242 | #73,484 |
| 1908 | BSN | 4 | -2.58 | #382 | #102,067 |
| 1910 | CHC | 14 | -2.23 | #409 | #80,811 |
| 1911 | BSN | 33 | -1.61 | #284 | #43,422 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1905 | CHC | 15 | -0.64 | #64 | #21,448 |
| 1906★ | BSN | 36 | 0.74 | #55 | #15,545 |
| 1907 | BSN | 19 | -1.97 | #101 | #31,269 |
| 1908 | BSN | 4 | -3.87 | #196 | #49,606 |
| 1910 | CHC | 13 | -2.30 | #179 | #36,107 |
| 1911 | BSN | 26 | -2.04 | #165 | #32,128 |
★ Best season by Z