P · 12 seasons · 1901 – 1912 · B/T: R/R
Few careers score higher: Jack Powell sits 1st of 0 pitchers all-time in roto value, built over 12 seasons. His best year was 1901: +9.3 roto value, 5th that season and 1454th of 51,303 player-seasons on record. The value came from strikeouts (+13.3), wins (+11.4) and WHIP (+11.1), with no category working against him.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1901 | STL | 45 | -2.21 | #188 | #78,566 |
| 1902 | SLA | 44 | -1.83 | #183 | #47,155 |
| 1903 | SLA | 40 | -2.72 | #285 | #105,110 |
| 1904 | NYY | 47 | -3.04 | #302 | #108,877 |
| 1905 | NYY | 40 | -2.29 | #230 | #87,337 |
| 1906★ | SLA | 28 | -1.35 | #196 | #40,267 |
| 1907 | SLA | 32 | -3.23 | #469 | #109,980 |
| 1908 | SLA | 33 | -2.13 | #268 | #68,967 |
| 1909 | SLA | 34 | -2.40 | #483 | #95,027 |
| 1910 | SLA | 21 | -2.42 | #556 | #95,997 |
| 1911 | SLA | 32 | -2.51 | #641 | #99,971 |
| 1912 | SLA | 32 | -1.72 | #317 | #45,075 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1901★ | STL | 45 | 9.33 | #5 | #1,454 |
| 1902 | SLA | 42 | 8.01 | #10 | #2,237 |
| 1903 | SLA | 38 | 7.22 | #10 | #2,881 |
| 1904 | NYY | 47 | 5.00 | #14 | #5,475 |
| 1905 | NYY | 40 | 0.30 | #57 | #17,160 |
| 1906 | SLA | 28 | 6.96 | #14 | #3,146 |
| 1907 | SLA | 32 | 2.39 | #39 | #10,514 |
| 1908 | SLA | 33 | 4.76 | #24 | #5,833 |
| 1909 | SLA | 34 | 6.26 | #21 | #3,862 |
| 1910 | SLA | 21 | 1.08 | #66 | #14,373 |
| 1911 | SLA | 31 | 1.72 | #54 | #12,419 |
| 1912 | SLA | 32 | 2.05 | #52 | #11,441 |
★ Best season by Z