P · 4 seasons · 1915 – 1919 · B/T: L/L
Ernie Koob is the extreme version of a specialist. +0.7 of roto value came from saves, yet his career total is only -4.9. His best year was 1916: +1.4 roto value, 62nd that season and 13485th of 51,303 player-seasons on record. He banked roto value in saves (+0.7) and gave it back in WHIP (-2.6), ERA (-1.6) and strikeouts (-1.2).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1915 | SLA | 28 | -2.84 | #762 | #106,936 |
| 1916 | SLA | 33 | -3.26 | #643 | #110,116 |
| 1917 | SLA | 39 | -2.82 | #556 | #106,684 |
| 1919★ | SLA | 25 | -2.81 | #576 | #106,521 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1915 | SLA | 28 | 0.15 | #106 | #17,795 |
| 1916★ | SLA | 33 | 1.36 | #62 | #13,485 |
| 1917 | SLA | 39 | -3.10 | #190 | #45,994 |
| 1919 | SLA | 25 | -3.30 | #228 | #47,339 |
★ Best season by Z