

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2006-07 | WHL | Moose Jaw Warriors | 22 | 0 | 3 | 3 | 30 | -2 | -- | -- | -- | -- | -- | -- |
| 2007-08 | WHL | Moose Jaw Warriors | 61 | 5 | 17 | 22 | 101 | 5 | 6 | 0 | 1 | 1 | 6 | -4 |
| 2008-09 | WHL | Moose Jaw Warriors | 57 | 13 | 27 | 40 | 126 | -31 | -- | -- | -- | -- | -- | -- |
| 2009-10 | WHL | Moose Jaw Warriors | 31 | 10 | 29 | 39 | 48 | 6 | -- | -- | -- | -- | -- | -- |
| 2009-10 | WHL | Brandon Wheat Kings | 10 | 1 | 4 | 5 | 17 | 6 | 15 | 4 | 7 | 11 | 23 | -2 |
| 2010-11 | AHL | Bridgeport Islanders | 19 | 2 | 5 | 7 | 45 | -6 | -- | -- | -- | -- | -- | -- |
| 2010-11 | NHL | New York Islanders | 62 | 5 | 21 | 26 | 103 | 4 | -- | -- | -- | -- | -- | -- |
| 2011-12 | NHL | New York Islanders | 73 | 2 | 22 | 24 | 73 | 6 | -- | -- | -- | -- | -- | -- |
| 2012-13 | AHL | Bridgeport Islanders | 21 | 4 | 6 | 10 | 37 | -2 | -- | -- | -- | -- | -- | -- |
| 2012-13 | NHL | New York Islanders | 48 | 3 | 7 | 10 | 28 | -8 | 6 | 0 | 1 | 1 | 23 | -4 |
| 2013-14 | NHL | New York Islanders | 69 | 3 | 15 | 18 | 68 | 2 | -- | -- | -- | -- | -- | -- |
| 2014-15 | NHL | New York Islanders | 71 | 5 | 28 | 33 | 85 | 15 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | New York Islanders | 72 | 5 | 16 | 21 | 35 | -5 | 11 | 1 | 2 | 3 | 8 | -2 |
| 2016-17 | NHL | New York Islanders | 49 | 3 | 11 | 14 | 60 | -21 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | Calgary Flames | 74 | 1 | 10 | 11 | 79 | -9 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | Calgary Flames | 69 | 7 | 12 | 19 | 33 | 21 | 5 | 0 | 0 | 0 | 2 | -4 |
| 2019-20 | NHL | Calgary Flames | 50 | 3 | 9 | 12 | 27 | -3 | -- | -- | -- | -- | -- | -- |
| 2020-21 | NHL | Vancouver Canucks | 38 | 3 | 7 | 10 | 39 | -3 | -- | -- | -- | -- | -- | -- |
| 2021-22 | AHL | Abbotsford Canucks | 2 | 0 | 1 | 1 | 4 | -2 | -- | -- | -- | -- | -- | -- |
| 2021-22 | NHL | Vancouver Canucks | 24 | 3 | 4 | 7 | 6 | 1 | -- | -- | -- | -- | -- | -- |
| 2021-22 | NHL | Ottawa Senators | 19 | 1 | 2 | 3 | 8 | 5 | -- | -- | -- | -- | -- | -- |
| 2022-23 | NHL | Ottawa Senators | 75 | 6 | 15 | 21 | 71 | -5 | -- | -- | -- | -- | -- | -- |
| 2023-24 | NHL | Ottawa Senators | 48 | 2 | 4 | 6 | 40 | -10 | -- | -- | -- | -- | -- | -- |
| 2024-25 | NHL | Ottawa Senators | 59 | 1 | 6 | 7 | 19 | -16 | -- | -- | -- | -- | -- | -- |
| 2025-26 | NHL | Detroit Red Wings | 25 | 0 | 2 | 2 | 29 | -10 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 925 | 53 | 191 | 244 | 803 | -36 | 22 | 1 | 3 | 4 | 33 | -10 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2010 | World Junior U-20 Championships | Team Canada | 6 | 1 | 2 | 3 | 0 | 0 |
| 2010 | Memorial Cup | Brandon Wheat Kings | 5 | 1 | 2 | 3 | 11 | 0 |
| Season | League | Award |
|---|---|---|
| 2016-17 | NHL | NHL Foundation Player Award |