P · 15 seasons · 2000 – 2015 · B/T: L/L
Few careers score higher: Barry Zito sits 1st of 0 pitchers all-time in roto value, built over 15 seasons. The peak came in 2002, +12.8, 5th that season and 408th of 51,303 player-seasons on record. The value came from wins (+23.7), strikeouts (+22.5) and ERA (+6.1), with no category working against him.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2000 | OAK | 14 | -2.15 | #628 | #71,471 |
| 2001 | OAK | 35 | -2.29 | #1,074 | #87,373 |
| 2002 | OAK | 35 | -2.29 | #1,037 | #87,096 |
| 2003 | OAK | 35 | -2.33 | #1,107 | #91,041 |
| 2004 | OAK | 34 | -2.26 | #1,063 | #83,720 |
| 2005 | OAK | 35 | -2.23 | #1,048 | #79,848 |
| 2006 | OAK | 34 | -2.19 | #1,036 | #76,975 |
| 2007 | SF | 34 | -3.14 | #1,269 | #109,509 |
| 2008 | SF | 32 | -3.00 | #1,266 | #108,551 |
| 2009 | SF | 34 | -3.00 | #1,255 | #108,581 |
| 2010 | SF | 34 | -2.99 | #1,226 | #108,477 |
| 2011 | SF | 13 | -2.54 | #1,229 | #101,054 |
| 2012 | SF | 32 | -3.14 | #1,270 | #109,528 |
| 2013 | SF | 30 | -2.37 | #1,206 | #93,558 |
| 2015★ | OAK | 3 | -2.05 | #594 | #57,954 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2000 | OAK | 14 | 4.12 | #72 | #6,907 |
| 2001 | OAK | 35 | 9.26 | #20 | #1,494 |
| 2002★ | OAK | 35 | 12.83 | #5 | #408 |
| 2003 | OAK | 35 | 8.83 | #20 | #1,722 |
| 2004 | OAK | 34 | 3.65 | #93 | #7,787 |
| 2005 | OAK | 35 | 7.44 | #29 | #2,698 |
| 2006 | OAK | 34 | 6.28 | #52 | #3,826 |
| 2007 | SF | 34 | 3.71 | #99 | #7,674 |
| 2008 | SF | 32 | -1.14 | #319 | #24,239 |
| 2009 | SF | 33 | 4.33 | #83 | #6,526 |
| 2010 | SF | 34 | 2.55 | #130 | #10,120 |
| 2011 | SF | 13 | -2.22 | #489 | #34,846 |
| 2012 | SF | 32 | 2.14 | #135 | #11,185 |
| 2013 | SF | 30 | -5.59 | #678 | #51,152 |
| 2015 | OAK | 3 | -3.12 | #681 | #46,173 |
★ Best season by Z