P · 9 seasons · 2004 – 2012 · B/T: L/L
George Sherrill was worth +5.8 in saves alone, more than his entire career total of +2.2 once everything else is counted against him. His best year was 2009: +5.4 roto value, 59th that season and 4867th of 51,303 player-seasons on record. He banked roto value in saves (+5.8), ERA (+1.8) and WHIP (+0.7) and gave it back in strikeouts (-2.8).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2004 | SEA | 21 | -2.12 | #583 | #67,132 |
| 2005 | SEA | 29 | -2.10 | #572 | #64,808 |
| 2006 | SEA | 72 | -2.08 | #573 | #62,707 |
| 2007 | SEA | 73 | -2.07 | #599 | #60,533 |
| 2008★ | BAL | 57 | -2.06 | #590 | #59,565 |
| 2009 | BAL | 72 | -2.10 | #571 | #64,345 |
| 2010 | LAD | 65 | -2.12 | #582 | #67,547 |
| 2011 | ATL | 51 | -2.11 | #611 | #65,863 |
| 2012 | SEA | 2 | -2.13 | #610 | #68,982 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2004 | SEA | 21 | -1.21 | #304 | #24,652 |
| 2005 | SEA | 29 | -0.66 | #251 | #21,521 |
| 2006 | SEA | 72 | -0.63 | #273 | #21,410 |
| 2007 | SEA | 73 | 2.08 | #140 | #11,367 |
| 2008 | BAL | 57 | 3.78 | #96 | #7,544 |
| 2009★ | BAL | 72 | 5.42 | #59 | #4,867 |
| 2010 | LAD | 65 | -3.53 | #610 | #48,549 |
| 2011 | ATL | 51 | -0.16 | #240 | #19,134 |
| 2012 | SEA | 2 | -2.86 | #580 | #43,874 |
★ Best season by Z