P · 11 seasons · 2002 – 2012 · B/T: R/R
Few careers score higher: Aaron Cook sits 1st of 0 pitchers all-time in roto value, built over 11 seasons. No season of his scores higher than 2008, at +4.8, 76th that season and 5764th of 51,303 player-seasons on record. On the credit side, wins (+7.8) and strikeouts (+0.4). On the debit side, WHIP (-7.4) and ERA (-4.4).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2002 | COL | 9 | -2.37 | #1,099 | #93,222 |
| 2003 | COL | 43 | -2.27 | #1,080 | #84,827 |
| 2004 | COL | 16 | -2.72 | #1,208 | #105,087 |
| 2005 | COL | 13 | -2.43 | #1,130 | #96,529 |
| 2006 | COL | 32 | -3.77 | #1,240 | #111,266 |
| 2007★ | COL | 25 | -1.93 | #523 | #49,305 |
| 2008 | COL | 37 | -2.14 | #1,050 | #70,663 |
| 2009 | COL | 28 | -2.64 | #1,212 | #103,592 |
| 2010 | COL | 28 | -2.49 | #1,169 | #99,241 |
| 2011 | COL | 23 | -2.47 | #1,216 | #98,625 |
| 2012 | BOS | 18 | -2.13 | #610 | #68,982 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2002 | COL | 9 | -1.81 | #362 | #29,350 |
| 2003 | COL | 43 | -4.90 | #609 | #50,904 |
| 2004 | COL | 16 | -0.71 | #266 | #21,792 |
| 2005 | COL | 13 | 0.16 | #205 | #17,746 |
| 2006 | COL | 32 | 2.58 | #114 | #10,050 |
| 2007 | COL | 25 | 2.28 | #135 | #10,825 |
| 2008★ | COL | 32 | 4.80 | #76 | #5,764 |
| 2009 | COL | 27 | 2.16 | #128 | #11,121 |
| 2010 | COL | 23 | -2.66 | #526 | #41,536 |
| 2011 | COL | 18 | -4.96 | #659 | #50,938 |
| 2012 | BOS | 18 | -3.63 | #637 | #48,941 |
★ Best season by Z