| Season | Team | League | GP | G | A | TP | PIM |
| 1996-1997 | Guelph Peewee | QC Int PW | - | - | - | - | - |
| 1997-1998 | Guelph Jr. Storm U15 AAA | SCTA U15 | 29 | 6 | 17 | 23 | 38 |
| Elmira Sugar Kings | MWJHL | 2 | 0 | 0 | 0 | 2 | |
| 1998-1999 | Elmira Sugar Kings | MWJHL | 47 | 18 | 30 | 48 | 142 |
| 1999-2000 | Sudbury Wolves | OHL | 63 | 10 | 26 | 36 | 64 |
| Canada Ontario U17 | WHC-17 | - | - | - | - | - | |
| 2000-2001 | Sudbury Wolves | OHL | 25 | 7 | 11 | 18 | 37 |
| London Knights | OHL | 24 | 8 | 8 | 16 | 38 | |
| Canada U18 | Hlinka Gretzky Cup | 3 | 0 | 0 | 0 | 6 | |
| 2001-2002 | London Knights | OHL | 65 | 27 | 42 | 69 | 141 |
| 2002-2003 | London Knights | OHL | 55 | 20 | 27 | 47 | 83 |
| 2003-2004 | London Knights | OHL | 60 | 24 | 41 | 65 | 85 |
| 2004-2005 | Worcester IceCats | AHL | 79 | 13 | 30 | 43 | 65 |
| 2005-2006 | St. Louis Blues | NHL | 67 | 8 | 16 | 24 | 83 |
| Peoria Rivermen | AHL | 12 | 2 | 4 | 6 | 31 | |
| 2006-2007 | St. Louis Blues | NHL | 55 | 5 | 17 | 22 | 44 |
| Boston Bruins | NHL | 20 | 1 | 2 | 3 | 27 | |
| 2007-2008 | Boston Bruins | NHL | 81 | 13 | 23 | 36 | 70 |
| 2008-2009 | Boston Bruins | NHL | 79 | 13 | 37 | 50 | 34 |
| 2009-2010 | Boston Bruins | NHL | 76 | 6 | 24 | 30 | 34 |
| 2010-2011 | Florida Panthers | NHL | 61 | 9 | 24 | 33 | 33 |
| Washington Capitals | NHL | 14 | 1 | 6 | 7 | 6 | |
| 2011-2012 | Washington Capitals | NHL | 82 | 11 | 35 | 46 | 46 |
| 2012-2013 | Calgary Flames | NHL | 46 | 6 | 16 | 22 | 12 |
| 2013-2014 | Calgary Flames | NHL | 46 | 4 | 17 | 21 | 18 |
| 2014-2015 | Calgary Flames | NHL | 80 | 15 | 41 | 56 | 34 |
| 2015-2016 | Calgary Flames | NHL | 51 | 2 | 17 | 19 | 30 |
| 2016-2017 | Calgary Flames | NHL | 57 | 5 | 13 | 18 | 32 |