P · 6 seasons · 1967 – 1972 · B/T: R/R
Tom Dukes is the extreme version of a specialist. +1.6 of roto value came from saves, yet his career total is only -10.2. His best year was 1970: +0.7 roto value, 123rd that season and 15639th of 51,303 player-seasons on record. He banked roto value in saves (+1.6) and gave it back in strikeouts (-3.5), ERA (-2.0) and WHIP (-1.5).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1967★ | HOU | 17 | -2.15 | #380 | #72,607 |
| 1968 | HOU | 43 | -2.36 | #505 | #92,725 |
| 1969 | SD | 13 | -2.20 | #547 | #77,511 |
| 1970 | SD | 53 | -2.42 | #696 | #96,282 |
| 1971 | BAL | 28 | -2.26 | #490 | #83,532 |
| 1972 | CAL | 7 | -2.23 | #480 | #79,894 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1967 | HOU | 17 | -2.81 | #253 | #43,342 |
| 1968 | HOU | 43 | -2.65 | #220 | #41,285 |
| 1969 | SD | 13 | -2.82 | #310 | #43,403 |
| 1970★ | SD | 53 | 0.71 | #123 | #15,639 |
| 1971 | BAL | 28 | -0.83 | #145 | #22,422 |
| 1972 | CAL | 7 | -1.77 | #201 | #28,952 |
★ Best season by Z