LF · 12 seasons · 2001 – 2012 · B/T: L/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2001 | BAL | 9 | -2.45 | #1,124 | #97,351 |
| 2002 | CWS | 49 | -0.23 | #339 | #31,742 |
| 2003 | CWS | 79 | -0.26 | #343 | #31,949 |
| 2004 | CWS | 129 | 4.38 | #184 | #15,222 |
| 2005 | CWS | 56 | 0.43 | #318 | #28,285 |
| 2006 | BOS | 47 | -1.27 | #405 | #39,393 |
| 2007 | ATL | 117 | 3.86 | #191 | #16,561 |
| 2008★ | WSH | 140 | 4.67 | #171 | #14,477 |
| 2009 | WSH | 137 | 1.98 | #241 | #22,189 |
| 2010 | WSH | 132 | -0.13 | #338 | #31,119 |
| 2011 | NYM | 126 | 0.95 | #298 | #25,965 |
| 2012 | CIN | 25 | -2.49 | #1,212 | #99,195 |
★ Best season by Z