P · 7 seasons · 2006 – 2012 · B/T: L/L
Doug Slaten is the extreme version of a specialist. +1.2 of roto value came from ERA, yet his career total is only -11.1. The peak came in 2010, -0.0, 223rd that season and 18643rd of 51,303 player-seasons on record. The value came from ERA (+1.2). It leaked back out through strikeouts (-5.0), saves (-1.9) and WHIP (-1.0).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | ARI | 9 | -2.08 | #573 | #62,707 |
| 2007 | ARI | 61 | -2.07 | #599 | #60,533 |
| 2008★ | ARI | 45 | -2.06 | #590 | #59,565 |
| 2009 | ARI | 11 | -2.10 | #571 | #64,345 |
| 2010 | WSH | 49 | -2.12 | #582 | #67,547 |
| 2011 | WSH | 31 | -2.11 | #611 | #65,863 |
| 2012 | PIT | 10 | -2.13 | #610 | #68,982 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | ARI | 9 | -1.66 | #359 | #27,948 |
| 2007 | ARI | 61 | -0.40 | #263 | #20,292 |
| 2008 | ARI | 45 | -1.99 | #433 | #31,509 |
| 2009 | ARI | 11 | -2.39 | #506 | #37,552 |
| 2010★ | WSH | 49 | -0.04 | #223 | #18,643 |
| 2011 | WSH | 31 | -2.73 | #580 | #42,372 |
| 2012 | PIT | 10 | -1.86 | #403 | #29,854 |
★ Best season by Z