| Regular Season | Playoffs | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | Lge | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM |
| 1997-98 | Ottawa Senators | NHL | 7 | 0 | 1 | 1 | 0 | -1 | -- | -- | -- | -- | -- |
| 1997-98 | Portland Winter Hawks | WHL | 53 | 45 | 40 | 85 | 50 | 16 | 13 | 6 | 19 | 6 | |
| 1998-99 | Ottawa Senators | NHL | 60 | 15 | 15 | 30 | 37 | 18 | 4 | 0 | 2 | 2 | 4 |
| 1999-00 | Ottawa Senators | NHL | 78 | 29 | 27 | 56 | 32 | 5 | 6 | 0 | 0 | 0 | 2 |
| 2000-01 | Ottawa Senators | NHL | 81 | 32 | 43 | 75 | 44 | 19 | 4 | 1 | 1 | 2 | 4 |
| 2001-02 | Ottawa Senators | NHL | 80 | 31 | 35 | 66 | 50 | 11 | 12 | 4 | 6 | 10 | 2 |
| 2001-02 | Trencin Dukla | Slovak | 8 | 3 | 4 | 7 | 16 | ||||||
| 2002-03 | Ottawa Senators | NHL | 80 | 45 | 35 | 80 | 34 | 8 | 18 | 5 | 11 | 16 | 6 |
| 2003-04 | Ottawa Senators | NHL | 81 | 36 | 46 | 82 | 46 | 4 | 7 | 3 | 1 | 4 | 0 |
| 2004-05 | Trencin Dukla | Slovak | 25 | 22 | 20 | 42 | 38 | 34 | |||||
| 2004-05 | Mora IK | SEL | 24 | 18 | 14 | 32 | 22 | 8 | |||||
| 2005-06 | Atlanta Thrashers | NHL | 80 | 39 | 53 | 92 | 67 | 17 | -- | -- | -- | -- | -- |
| 2006-07 | Atlanta Thrashers | NHL | 82 | 43 | 57 | 100 | 49 | 18 | 4 | 0 | 1 | 1 | 6 |
| 2007-08 | Atlanta Thrashers | NHL | 60 | 26 | 30 | 56 | 30 | -14 | |||||
| 2007-08 | Pittsburgh Penguins | NHL | 12 | 3 | 7 | 10 | 6 | 0 | 20 | 12 | 14 | 26 | 12 |
| 2008-09 | Detroit Red Wings | NHL | 74 | 40 | 31 | 71 | 63 | 27 | 23 | 6 | 9 | 15 | 10 |
| 2009-10 | Chicago Blackhawks | NHL | 57 | 24 | 27 | 51 | 18 | 24 | 22 | 3 | 12 | 15 | 25 |
| 2010-11 | Chicago Blackhawks | NHL | 65 | 25 | 32 | 57 | 32 | 9 | 7 | 2 | 4 | 6 | 2 |
| 2011-12 | Chicago Blackhawks | NHL | 81 | 29 | 48 | 77 | 20 | 18 | 3 | 0 | 0 | 0 | 0 |
| 2012-13 | Chicago Blackhawks | NHL | 40 | 17 | 14 | 31 | 16 | 20 | |||||
| 2012-13 | Chicago Blackhawks | NHL | 8 | 4 | 3 | 7 | 0 | ||||||
| NHL Totals | 1018 | 434 | 501 | 935 | 544 | 138 | 40 | 64 | 104 | 73 | |||