P · 7 seasons · 2005 – 2011 · B/T: R/R
One category carried Rob Tejeda and the rest pulled him back: +0.4 from strikeouts, against a career total of -4.4. The peak came in 2009, +1.7, 146th that season and 12418th of 51,303 player-seasons on record. The value came from strikeouts (+0.4). It leaked back out through saves (-1.9), WHIP (-1.8) and ERA (-0.4).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2005 | PHI | 26 | -2.55 | #1,162 | #101,240 |
| 2006 | TEX | 14 | -2.16 | #985 | #72,849 |
| 2007 | TEX | 19 | -2.17 | #1,069 | #74,624 |
| 2008★ | KC | 29 | -2.06 | #590 | #59,565 |
| 2009 | KC | 35 | -2.10 | #571 | #64,345 |
| 2010 | KC | 54 | -2.12 | #582 | #67,547 |
| 2011 | KC | 9 | -2.11 | #611 | #65,863 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2005 | PHI | 26 | 0.72 | #178 | #15,623 |
| 2006 | TEX | 14 | -0.70 | #279 | #21,707 |
| 2007 | TEX | 19 | -3.73 | #646 | #49,270 |
| 2008 | KC | 29 | 0.09 | #225 | #18,032 |
| 2009★ | KC | 35 | 1.72 | #146 | #12,418 |
| 2010 | KC | 54 | 0.01 | #221 | #18,423 |
| 2011 | KC | 9 | -2.54 | #553 | #39,733 |
★ Best season by Z