P · 6 seasons · 2007 – 2012 · B/T: R/R
Manny Acosta is the extreme version of a specialist. +0.4 of roto value came from ERA, yet his career total is only -4.9. His best year was 2011: +0.3 roto value, 207th that season and 17050th of 51,303 player-seasons on record. He banked roto value in ERA (+0.4) and gave it back in strikeouts (-1.8), WHIP (-1.0) and saves (-0.3).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2007★ | ATL | 21 | -2.07 | #599 | #60,533 |
| 2008 | ATL | 46 | -2.25 | #1,128 | #82,179 |
| 2009 | ATL | 36 | -2.13 | #912 | #69,546 |
| 2010 | NYM | 41 | -2.12 | #582 | #67,547 |
| 2011 | NYM | 44 | -2.11 | #611 | #65,863 |
| 2012 | NYM | 45 | -2.13 | #610 | #68,982 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2007 | ATL | 21 | -0.52 | #271 | #20,864 |
| 2008 | ATL | 46 | 0.00 | #228 | #18,441 |
| 2009 | ATL | 36 | -2.00 | #428 | #31,603 |
| 2010 | NYM | 41 | 0.28 | #207 | #17,246 |
| 2011★ | NYM | 44 | 0.33 | #207 | #17,050 |
| 2012 | NYM | 45 | -2.97 | #595 | #44,957 |
★ Best season by Z