| Position | L |
| Birth city | Vienna, undefined, AUT |
| Birth date | 1984-01-19 (42) |
| Height | 6'2'' |
| weight (lb) | 214 |
| Drafted | pick 5 round 1 by BUF in 2003 |
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2005-06 | NHL | Buffalo Sabres | 81 | 25 | 23 | 48 | -11 | 72 |
| 2006-07 | NHL | Buffalo Sabres | 82 | 43 | 41 | 84 | 47 | 40 |
| 2007-08 | NHL | Buffalo Sabres | 82 | 36 | 28 | 64 | -5 | 64 |
| 2008-09 | NHL | Buffalo Sabres | 73 | 40 | 24 | 64 | -1 | 44 |
| 2009-10 | NHL | Buffalo Sabres | 71 | 28 | 25 | 53 | 9 | 42 |
| 2010-11 | NHL | Buffalo Sabres | 80 | 32 | 41 | 73 | 2 | 24 |
| 2011-12 | NHL | Buffalo Sabres | 78 | 26 | 35 | 61 | -6 | 52 |
| 2012-13 | NHL | Buffalo Sabres | 38 | 20 | 21 | 41 | -1 | 20 |
| 2013-14 | NHL | Buffalo Sabres | 13 | 4 | 5 | 9 | -5 | 4 |
| 2013-14 | NHL | New York Islanders | 47 | 17 | 27 | 44 | 4 | 36 |
| 2013-14 | NHL | Montréal Canadiens | 18 | 6 | 9 | 15 | 8 | 8 |
| 2014-15 | NHL | Minnesota Wild | 80 | 21 | 31 | 52 | -6 | 37 |
| 2015-16 | NHL | Minnesota Wild | 74 | 18 | 23 | 41 | -10 | 22 |
| 2016-17 | NHL | Detroit Red Wings | 48 | 15 | 23 | 38 | 2 | 16 |
| 2016-17 | NHL | Florida Panthers | 20 | 2 | 8 | 10 | -7 | 6 |
| 2017-18 | NHL | Vancouver Canucks | 61 | 17 | 24 | 41 | -12 | 28 |
| 2017-18 | NHL | Columbus Blue Jackets | 19 | 7 | 8 | 15 | 9 | 8 |
| 2018-19 | NHL | Detroit Red Wings | 64 | 16 | 20 | 36 | -12 | 26 |
| NHL Total | 1029 | 373 | 416 | 789 | 5 | 549 | ||
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2005-06 | NHL | Buffalo Sabres | 10 | 2 | 0 | 2 | -1 | 6 |
| 2006-07 | NHL | Buffalo Sabres | 16 | 6 | 4 | 10 | 2 | 10 |
| 2009-10 | NHL | Buffalo Sabres | 3 | 2 | 1 | 3 | 1 | 2 |
| 2010-11 | NHL | Buffalo Sabres | 7 | 5 | 0 | 5 | -7 | 0 |
| 2013-14 | NHL | Montréal Canadiens | 17 | 5 | 5 | 10 | -4 | 4 |
| 2014-15 | NHL | Minnesota Wild | 10 | 0 | 4 | 4 | -7 | 2 |
| 2017-18 | NHL | Columbus Blue Jackets | 6 | 1 | 1 | 2 | -1 | 2 |
| NHL Total | 69 | 21 | 15 | 36 | -17 | 26 | ||