| 1994-95 | WHL | Portland Winterhawks | 2 | 0 | 0 | 0 | 4 | 0 | -- | -- | -- | -- | -- | -- |
| 1995-96 | WHL | Portland Winterhawks | 72 | 9 | 31 | 40 | 159 | 0 | 7 | 1 | 3 | 4 | 12 | 0 |
| 1996-97 | WHL | Portland Winterhawks | 72 | 12 | 32 | 44 | 163 | 0 | 6 | 1 | 2 | 3 | 12 | 0 |
| 1997-98 | WHL | Portland Winterhawks | 72 | 11 | 57 | 68 | 142 | 0 | 16 | 2 | 18 | 20 | 28 | 0 |
| 1998-99 | WHL | Portland Winterhawks | 40 | 11 | 21 | 32 | 104 | -13 | 4 | 1 | 4 | 5 | 10 | 0 |
| 1998-99 | IHL | Kansas City | 5 | 1 | 2 | 3 | 4 | -5 | 3 | 0 | 0 | 0 | 9 | 0 |
| 1999-00 | AHL | Wilkes-Barre/Scranton Penguins | 44 | 8 | 20 | 28 | 58 | -7 | -- | -- | -- | -- | -- | -- |
| 1999-00 | NHL | Pittsburgh Penguins | 30 | 2 | 4 | 6 | 20 | 3 | -- | -- | -- | -- | -- | -- |
| 2000-01 | AHL | Wilkes-Barre/Scranton Penguins | 43 | 6 | 18 | 24 | 95 | 4 | 3 | 1 | 0 | 1 | 12 | 0 |
| 2000-01 | NHL | Pittsburgh Penguins | 36 | 4 | 11 | 15 | 28 | 6 | 18 | 3 | 7 | 10 | 16 | 0 |
| 2001-02 | NHL | Pittsburgh Penguins | 75 | 4 | 7 | 11 | 73 | -12 | -- | -- | -- | -- | -- | -- |
| 2002-03 | AHL | Wilkes-Barre/Scranton Penguins | 1 | 0 | 0 | 0 | 2 | 1 | -- | -- | -- | -- | -- | -- |
| 2002-03 | NHL | Pittsburgh Penguins | 22 | 1 | 3 | 4 | 36 | -16 | -- | -- | -- | -- | -- | -- |
| 2002-03 | NHL | Calgary Flames | 16 | 0 | 4 | 4 | 6 | 1 | -- | -- | -- | -- | -- | -- |
| 2003-04 | NHL | Calgary Flames | 72 | 4 | 12 | 16 | 53 | 5 | 26 | 0 | 3 | 3 | 25 | 5 |
| 2005-06 | NHL | Calgary Flames | 82 | 4 | 27 | 31 | 85 | -12 | 7 | 0 | 4 | 4 | 12 | 3 |
| 2006-07 | NHL | Calgary Flames | 54 | 2 | 10 | 12 | 66 | 7 | -- | -- | -- | -- | -- | -- |
| 2006-07 | NHL | Boston Bruins | 26 | 1 | 2 | 3 | 31 | -2 | -- | -- | -- | -- | -- | -- |
| 2007-08 | NHL | Boston Bruins | 59 | 1 | 14 | 15 | 50 | -14 | 7 | 0 | 4 | 4 | 6 | 1 |
| 2008-09 | NHL | Boston Bruins | 47 | 1 | 15 | 16 | 40 | 7 | 3 | 0 | 0 | 0 | 4 | 1 |
| 2009-10 | NHL | Boston Bruins | 51 | 0 | 8 | 8 | 16 | -7 | 13 | 0 | 1 | 1 | 18 | -9 |
| 2010-11 | NHL | Boston Bruins | 70 | 3 | 12 | 15 | 60 | 22 | 25 | 4 | 6 | 10 | 37 | 10 |
| 2011-12 | NHL | Boston Bruins | 72 | 6 | 18 | 24 | 46 | 9 | 7 | 1 | 3 | 4 | 0 | -2 |
| 2012-13 | NHL | Boston Bruins | 48 | 4 | 9 | 13 | 35 | 9 | 14 | 0 | 2 | 2 | 4 | 2 |
| 2013-14 | NHL | Edmonton Oilers | 71 | 3 | 15 | 18 | 63 | -18 | -- | -- | -- | -- | -- | -- |
| 2014-15 | NHL | Edmonton Oilers | 70 | 3 | 11 | 14 | 39 | -17 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | Edmonton Oilers | 6 | 0 | 0 | 0 | 6 | -4 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 907 | 43 | 182 | 225 | 753 | -33 | 120 | 8 | 30 | 38 | 122 | 11 |