P · 13 seasons · 2004 – 2017 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2004 | TEX | 7 | -2.12 | #583 | #67,097 |
| 2005 | TEX | 31 | -2.30 | #1,080 | #87,545 |
| 2006 | SD | 31 | -2.91 | #1,212 | #107,708 |
| 2007 | SD | 30 | -2.75 | #1,243 | #105,561 |
| 2008 | SD | 18 | -2.37 | #1,191 | #93,121 |
| 2009 | SD | 14 | -1.96 | #508 | #50,258 |
| 2010 | SD | 4 | -2.30 | #1,101 | #87,710 |
| 2011 | NYM | 4 | -1.90 | #520 | #48,620 |
| 2012 | NYM | 20 | -2.55 | #1,221 | #101,045 |
| 2014 | SEA | 30 | -2.10 | #983 | #64,675 |
| 2015★ | KC | 34 | -1.79 | #498 | #46,330 |
| 2016 | KC | 34 | -2.06 | #989 | #58,503 |
| 2017 | KC | 14 | -2.07 | #594 | #61,345 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2004 | TEX | 7 | -0.74 | #269 | #21,914 |
| 2005 | TEX | 31 | 4.29 | #79 | #6,594 |
| 2006 | SD | 31 | 8.71 | #23 | #1,791 |
| 2007★ | SD | 30 | 8.98 | #23 | #1,623 |
| 2008 | SD | 18 | 2.32 | #127 | #10,681 |
| 2009 | SD | 14 | -1.17 | #324 | #24,358 |
| 2010 | SD | 4 | -0.37 | #244 | #20,092 |
| 2011 | NYM | 4 | -0.36 | #254 | #20,059 |
| 2012 | NYM | 20 | -0.20 | #262 | #19,289 |
| 2014 | SEA | 30 | 3.32 | #111 | #8,397 |
| 2015 | KC | 34 | 5.25 | #68 | #5,087 |
| 2016 | KC | 34 | -3.29 | #694 | #47,190 |
| 2017 | KC | 14 | -4.09 | #741 | #49,899 |
★ Best season by Z