P · 5 seasons · 2006 – 2010 · B/T: B/R
Saul Rivera is the extreme version of a specialist. +0.4 of roto value came from ERA, yet his career total is only -4.7. The peak came in 2007, +1.4, 159th that season and 13331st of 51,303 player-seasons on record. The value came from ERA (+0.4). It leaked back out through WHIP (-1.9), strikeouts (-1.2) and saves (-0.8).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | WSH | 54 | -2.23 | #1,073 | #80,134 |
| 2007 | WSH | 85 | -2.11 | #949 | #65,414 |
| 2008 | WSH | 76 | -2.10 | #929 | #65,164 |
| 2009★ | WSH | 30 | -2.00 | #520 | #52,119 |
| 2010 | ARI | 4 | -2.12 | #582 | #67,547 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | WSH | 54 | -0.15 | #240 | #19,130 |
| 2007★ | WSH | 85 | 1.41 | #159 | #13,331 |
| 2008 | WSH | 76 | 0.14 | #221 | #17,803 |
| 2009 | WSH | 30 | -2.73 | #562 | #42,386 |
| 2010 | ARI | 4 | -3.38 | #599 | #47,811 |
★ Best season by Z