P · 14 seasons · 2005 – 2019 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2005★ | FLA | 18 | -1.76 | #464 | #45,743 |
| 2006 | FLA | 12 | -1.92 | #505 | #49,187 |
| 2007 | NYM | 2 | -2.14 | #1,025 | #70,429 |
| 2009 | SEA | 23 | -2.11 | #905 | #65,539 |
| 2010 | SEA | 31 | -2.33 | #1,120 | #90,956 |
| 2011 | SEA | 32 | -2.18 | #1,052 | #74,881 |
| 2012 | SEA | 33 | -1.92 | #514 | #49,240 |
| 2013 | LAA | 24 | -2.10 | #589 | #63,950 |
| 2014 | KC | 30 | -2.07 | #591 | #59,932 |
| 2015 | KC | 9 | -2.05 | #594 | #57,923 |
| 2016 | KC | 3 | -2.02 | #590 | #54,574 |
| 2017 | KC | 32 | -2.08 | #1,007 | #61,907 |
| 2018 | NYM | 21 | -2.38 | #1,282 | #93,662 |
| 2019 | NYM | 30 | -3.04 | #1,391 | #108,815 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2005 | FLA | 17 | 0.23 | #202 | #17,417 |
| 2006 | FLA | 12 | -3.87 | #613 | #49,487 |
| 2007 | NYM | 2 | -3.13 | #614 | #46,102 |
| 2009 | SEA | 23 | -0.60 | #286 | #21,190 |
| 2010 | SEA | 31 | 3.77 | #94 | #7,544 |
| 2011 | SEA | 32 | 1.99 | #137 | #11,608 |
| 2012★ | SEA | 33 | 6.02 | #47 | #4,100 |
| 2013 | LAA | 24 | 0.99 | #195 | #14,684 |
| 2014 | KC | 30 | 2.90 | #122 | #9,278 |
| 2015 | KC | 9 | -0.46 | #295 | #20,507 |
| 2016 | KC | 3 | -1.27 | #379 | #25,050 |
| 2017 | KC | 32 | 5.57 | #65 | #4,645 |
| 2018 | NYM | 20 | -1.11 | #363 | #24,027 |
| 2019 | NYM | 30 | 1.83 | #180 | #12,054 |
★ Best season by Z