P · 14 seasons · 2007 – 2022 · B/T: R/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2007 | WSH | 1 | -2.07 | #599 | #60,502 |
| 2009 | WSH | 15 | -2.55 | #1,202 | #101,288 |
| 2010 | WSH | 8 | -2.37 | #1,139 | #93,206 |
| 2011 | WSH | 15 | -2.44 | #1,206 | #97,185 |
| 2012 | WSH | 33 | -3.29 | #1,275 | #110,168 |
| 2013 | WSH | 13 | -2.53 | #1,242 | #100,589 |
| 2014 | WSH | 47 | -2.09 | #980 | #63,520 |
| 2015 | ATL | 41 | -2.09 | #998 | #63,319 |
| 2016 | OAK | 16 | -2.06 | #989 | #58,502 |
| 2018 | SEA | 1 | -2.08 | #600 | #61,934 |
| 2019 | CWS | 18 | -2.14 | #1,144 | #70,541 |
| 2020 | CWS | 16 | -2.06 | #508 | #58,623 |
| 2021★ | MIA | 53 | -1.94 | #595 | #49,606 |
| 2022 | CIN | 30 | -2.02 | #580 | #53,599 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2007 | WSH | 1 | -1.97 | #410 | #31,231 |
| 2009 | WSH | 15 | -2.47 | #520 | #38,543 |
| 2010 | WSH | 8 | -2.14 | #427 | #33,566 |
| 2011 | WSH | 15 | 0.53 | #196 | #16,270 |
| 2012★ | WSH | 33 | 4.22 | #81 | #6,725 |
| 2013 | WSH | 13 | -1.90 | #431 | #30,285 |
| 2014 | WSH | 47 | -1.51 | #362 | #26,660 |
| 2015 | TEX | 41 | -6.09 | #734 | #51,109 |
| 2016 | OAK | 16 | -3.00 | #678 | #45,089 |
| 2018 | SEA | 1 | -2.17 | #581 | #34,093 |
| 2019 | CWS | 18 | -3.35 | #795 | #47,498 |
| 2020 | CWS | 16 | 0.00 | #287 | #18,435 |
| 2021 | MIA | 53 | 0.17 | #297 | #17,669 |
| 2022 | CIN | 30 | -1.94 | #570 | #30,760 |
★ Best season by Z