| Regular Season | Playoffs | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | Lge | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM |
| 1999-00 | Kitchener Rangers | OHL | 66 | 34 | 53 | 87 | 44 | 1 | 5 | 4 | 1 | 5 | 6 |
| 2000-01 | Kitchener Rangers | OHL | 65 | 42 | 39 | 81 | 114 | -20 | -- | -- | -- | -- | -- |
| 2001-02 | Kitchener Rangers | OHL | 62 | 43 | 46 | 89 | 92 | 1 | 4 | 1 | 2 | 3 | 2 |
| 2002-03 | Kitchener Rangers | OHL | 49 | 28 | 50 | 78 | 73 | 23 | 21 | 9 | 23 | 32 | 14 |
| 2003-04 | Rochester Americans | AHL | 26 | 10 | 16 | 26 | 20 | 6 | 16 | 6 | 8 | 14 | 18 |
| 2003-04 | Buffalo Sabres | NHL | 49 | 9 | 10 | 19 | 12 | -8 | -- | -- | -- | -- | -- |
| 2004-05 | Rochester Americans | AHL | 67 | 16 | 45 | 61 | 60 | -4 | 9 | 6 | 5 | 11 | 6 |
| 2005-06 | Rochester Americans | AHL | 8 | 7 | 13 | 20 | 10 | -4 | -- | -- | -- | -- | -- |
| 2005-06 | Buffalo Sabres | NHL | 70 | 18 | 28 | 46 | 57 | 1 | 18 | 5 | 10 | 15 | 16 |
| 2006-07 | Buffalo Sabres | NHL | 75 | 21 | 42 | 63 | 60 | 37 | 16 | 2 | 5 | 7 | 14 |
| 2007-08 | Buffalo Sabres | NHL | 78 | 32 | 49 | 81 | 46 | 13 | -- | -- | -- | -- | -- |
| 2008-09 | Buffalo Sabres | NHL | 82 | 28 | 42 | 70 | 38 | -5 | -- | -- | -- | -- | -- |
| 2009-10 | Buffalo Sabres | NHL | 80 | 26 | 43 | 69 | 48 | 9 | 6 | 0 | 2 | 2 | 4 |
| 2010-11 | Buffalo Sabres | NHL | 35 | 10 | 25 | 35 | 16 | -1 | 1 | 0 | 1 | 1 | 0 |
| 2011-12 | Buffalo Sabres | NHL | 80 | 17 | 27 | 44 | 54 | -7 | -- | -- | -- | -- | -- |
| 2012-13 | Dallas Stars | NHL | 30 | 4 | 18 | 22 | 4 | 3 | |||||
| 2012-13 | Vancouver Canucks | NHL | 12 | 3 | 3 | 6 | 2 | 1 | |||||
| 2012-13 | Vancouver Canucks | NHL | 4 | 0 | 1 | 1 | 2 | ||||||
| NHL Totals | 591 | 168 | 287 | 455 | 337 | 45 | 7 | 19 | 26 | 36 | |||