
| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2005-06 | WHL | Medicine Hat Tigers | 43 | 3 | 7 | 10 | 10 | -1 | 7 | 0 | 0 | 0 | 0 | 0 |
| 2006-07 | WHL | Medicine Hat Tigers | 71 | 26 | 24 | 50 | 30 | 1 | 22 | 8 | 4 | 12 | 6 | 1 |
| 2007-08 | WHL | Medicine Hat Tigers | 70 | 43 | 48 | 91 | 42 | 11 | 5 | 0 | 4 | 4 | 6 | -2 |
| 2008-09 | WHL | Medicine Hat Tigers | 61 | 43 | 42 | 85 | 21 | 11 | 11 | 8 | 11 | 19 | 10 | -1 |
| 2009-10 | AHL | Portland | 69 | 23 | 42 | 65 | 12 | -1 | -- | -- | -- | -- | -- | -- |
| 2009-10 | NHL | Buffalo Sabres | 10 | 3 | 6 | 9 | 6 | 1 | 6 | 1 | 3 | 4 | 0 | 1 |
| 2010-11 | NHL | Buffalo Sabres | 82 | 20 | 29 | 49 | 30 | 0 | 7 | 2 | 2 | 4 | 4 | 4 |
| 2011-12 | NHL | Buffalo Sabres | 48 | 15 | 19 | 34 | 14 | 11 | -- | -- | -- | -- | -- | -- |
| 2012-13 | NHL | Buffalo Sabres | 47 | 10 | 21 | 31 | 16 | -14 | -- | -- | -- | -- | -- | -- |
| 2013-14 | NHL | Buffalo Sabres | 80 | 21 | 22 | 43 | 42 | -25 | -- | -- | -- | -- | -- | -- |
| 2014-15 | NHL | Buffalo Sabres | 78 | 20 | 26 | 46 | 37 | -19 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | Buffalo Sabres | 23 | 3 | 8 | 11 | 11 | -9 | -- | -- | -- | -- | -- | -- |
| 2016-17 | NHL | Buffalo Sabres | 51 | 5 | 8 | 13 | 12 | -10 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | Minnesota Wild | 73 | 8 | 14 | 22 | 12 | -1 | 1 | 0 | 0 | 0 | 0 | -1 |
| 2018-19 | NHL | Toronto Maple Leafs | 51 | 12 | 6 | 18 | 2 | -6 | 5 | 0 | 2 | 2 | 2 | 1 |
| 2019-20 | NHL | Ottawa Senators | 61 | 14 | 19 | 33 | 16 | -5 | -- | -- | -- | -- | -- | -- |
| 2019-20 | NHL | Edmonton Oilers | 9 | 2 | 2 | 4 | 4 | -1 | 3 | 1 | 1 | 2 | 4 | 0 |
| 2020-21 | NHL | Edmonton Oilers | 30 | 3 | 6 | 9 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| 2021-22 | NHL | Ottawa Senators | 57 | 8 | 16 | 24 | 16 | -6 | -- | -- | -- | -- | -- | -- |
| 2023-24 | DEL | Adler Mannheim | 7 | 0 | 5 | 5 | 2 | -4 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 700 | 144 | 202 | 346 | 224 | -84 | 24 | 4 | 8 | 12 | 10 | 5 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2007 | Memorial Cup | Medicine Hat Tigers | 4 | 2 | 2 | 4 | 4 | 0 |
| 2009 | World Junior U-20 Championships | Team Canada | 6 | 3 | 4 | 7 | 0 | 0 |
| 2015 | IIHF World Championship | Team Canada | 10 | 4 | 2 | 6 | 0 | 7 |