Houston Astros (1995-2003) ► Philadelphia Phillies (2004-05) ► New York Mets (2006-09) ► Boston Red Sox (2009) ► Atlanta Braves (2010)
| Years | Logo | G | W | L | Sv | K | IP |
| 1995-1999 |  |
224 | 17 | 14 | 101 | 394 | 251 |
| 2000-2003 |  |
240 | 9 | 15 | 124 | 300 | 250 |
| 2004-2005 |  |
120 | 8 | 3 | 59 | 146 | 125 |
| 2006-2009 |  |
183 | 5 | 5 | 101 | 230 | 189 |
| 2009-2009 |  |
15 | 1 | 1 | 0 | 22 | 13 |
| 2010-2010 |  |
71 | 7 | 2 | 37 | 104 | 69 |
| TOTALS | 853 | 47 | 40 | 422 | 1,196 | 897 | |
Billy Wagner played for the Houston Astros, Philadelphia Phillies, New York Mets, Boston Red Sox, and Atlanta Braves during his MLB career.
Billy Wagner played for 5 teams during his MLB career.
