| Season | Team | League | GP | G | A | TP | PIM |
| 1998-1999 | Notre Dame Hounds U18 AAA | SMAAAHL | 42 | 22 | 19 | 41 | 84 |
| Notre Dame Hounds | SJHL | 5 | 1 | 0 | 1 | 0 | |
| 1999-2000 | St. Albert Saints | AJHL | 63 | 44 | 41 | 85 | 113 |
| 2000-2001 | Univ. of Wisconsin | NCAA | 32 | 10 | 5 | 15 | 18 |
| 2001-2002 | Univ. of Wisconsin | NCAA | 38 | 12 | 7 | 19 | 26 |
| 2002-2003 | Univ. of Wisconsin | NCAA | 40 | 19 | 8 | 27 | 54 |
| 2003-2004 | Univ. of Wisconsin | NCAA | 42 | 16 | 20 | 36 | 74 |
| 2004-2005 | Norfolk Admirals | AHL | 78 | 33 | 27 | 60 | 105 |
| 2005-2006 | Chicago Blackhawks | NHL | 77 | 16 | 18 | 34 | 56 |
| 2006-2007 | Chicago Blackhawks | NHL | 44 | 7 | 10 | 17 | 38 |
| Norfolk Admirals | AHL | 1 | 0 | 0 | 0 | 0 | |
| 2007-2008 | Chicago Blackhawks | NHL | 62 | 10 | 14 | 24 | 42 |
| 2008-2009 | Calgary Flames | NHL | 58 | 21 | 19 | 40 | 70 |
| 2009-2010 | Calgary Flames | NHL | 73 | 27 | 31 | 58 | 88 |
| Canada | WC | 7 | 1 | 1 | 2 | 14 | |
| 2010-2011 | Calgary Flames | NHL | 80 | 27 | 23 | 50 | 42 |
| 2011-2012 | Calgary Flames | NHL | 38 | 13 | 3 | 16 | 41 |
| Montréal Canadiens | NHL | 38 | 5 | 3 | 8 | 27 | |
| 2012-2013 | Montréal Canadiens | NHL | 27 | 7 | 6 | 13 | 32 |
| 2013-2014 | Montréal Canadiens | NHL | 63 | 9 | 7 | 16 | 32 |
| 2014-2015 | Montréal Canadiens | NHL | 13 | 0 | 2 | 2 | 6 |
| Hamilton Bulldogs | AHL | 4 | 2 | 2 | 4 | 4 | |
| Anaheim Ducks | NHL | 30 | 2 | 6 | 8 | 12 | |
| Columbus Blue Jackets | NHL | 8 | 4 | 0 | 4 | 4 | |
| 2015-2016 | Columbus Blue Jackets | NHL | 49 | 3 | 5 | 8 | 38 |
| 2016-2017 | Colorado Avalanche | NHL | 65 | 12 | 6 | 18 | 56 |
| 2017-2018 | Djurgårdens IF | SHL | 35 | 13 | 9 | 22 | 34 |
| Team Canada | International | 5 | 0 | 0 | 0 | 8 | |
| Canada | OG | 6 | 3 | 1 | 4 | 2 |