| Position | D |
| Birth city | Warren, Michigan, USA |
| Birth date | 1985-05-21 (41) |
| Height | 5'11'' |
| weight (lb) | 194 |
| Drafted | pick 31 round 7 by BOS in 2004 |
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2007-08 | NHL | Boston Bruins | 13 | 0 | 1 | 1 | -1 | 4 |
| 2008-09 | NHL | Boston Bruins | 53 | 6 | 21 | 27 | 15 | 31 |
| 2009-10 | NHL | Boston Bruins | 76 | 6 | 8 | 14 | -16 | 32 |
| 2010-11 | NHL | Boston Bruins | 22 | 1 | 2 | 3 | 4 | 9 |
| 2010-11 | NHL | Colorado Avalanche | 51 | 0 | 10 | 10 | -19 | 16 |
| 2011-12 | NHL | Colorado Avalanche | 33 | 3 | 3 | 6 | -3 | 8 |
| 2012-13 | NHL | Colorado Avalanche | 43 | 0 | 6 | 6 | 4 | 16 |
| 2013-14 | NHL | Colorado Avalanche | 1 | 0 | 0 | 0 | 0 | 0 |
| 2014-15 | NHL | New York Rangers | 55 | 2 | 9 | 11 | 17 | 16 |
| 2015-16 | NHL | Toronto Maple Leafs | 60 | 2 | 8 | 10 | -17 | 32 |
| 2016-17 | NHL | Toronto Maple Leafs | 72 | 1 | 18 | 19 | 8 | 18 |
| 2017-18 | NHL | Pittsburgh Penguins | 42 | 4 | 6 | 10 | -4 | 21 |
| 2018-19 | NHL | Buffalo Sabres | 14 | 0 | 2 | 2 | -7 | 4 |
| NHL Total | 535 | 25 | 94 | 119 | -19 | 207 | ||
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2008-09 | NHL | Boston Bruins | 1 | 0 | 0 | 0 | 0 | 0 |
| 2009-10 | NHL | Boston Bruins | 13 | 0 | 6 | 6 | -1 | 2 |
| 2014-15 | NHL | New York Rangers | 6 | 0 | 0 | 0 | 0 | 0 |
| 2016-17 | NHL | Toronto Maple Leafs | 6 | 0 | 1 | 1 | -3 | 2 |
| NHL Total | 26 | 0 | 7 | 7 | -4 | 4 | ||
