P · 7 seasons · 2006 – 2012 · B/T: L/L
Rafael Perez is 1st of 0 pitchers in career roto value, a top-tier career by any lens the site offers. 2007 was the high-water mark, worth +3.0, 113th that season and 9155th of 51,303 player-seasons on record. Career value accumulated in ERA (+2.1) and WHIP (+0.7), and drained away in strikeouts (-1.8) and saves (-1.4).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | CLE | 18 | -2.08 | #573 | #62,707 |
| 2007 | CLE | 44 | -2.07 | #599 | #60,533 |
| 2008★ | CLE | 73 | -2.06 | #590 | #59,565 |
| 2009 | CLE | 54 | -2.13 | #912 | #69,546 |
| 2010 | CLE | 70 | -2.12 | #582 | #67,547 |
| 2011 | CLE | 71 | -2.11 | #611 | #65,863 |
| 2012 | CLE | 8 | -2.13 | #610 | #68,982 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | CLE | 18 | -1.76 | #376 | #28,850 |
| 2007★ | CLE | 44 | 2.96 | #113 | #9,155 |
| 2008 | CLE | 73 | 2.37 | #125 | #10,574 |
| 2009 | CLE | 54 | -3.52 | #633 | #48,489 |
| 2010 | CLE | 70 | -0.49 | #251 | #20,715 |
| 2011 | CLE | 71 | 0.64 | #190 | #15,900 |
| 2012 | CLE | 8 | -1.74 | #387 | #28,688 |
★ Best season by Z