| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2007-2008 | Kitchener Jr. Rangers U16 AAA | ALLIANCE U16 | - | - | - | - | - | | | ||||||
| Ayr Centennials | MWJHL | 1 | 0 | 0 | 0 | 2 | | | |||||||
| 2008-2009 | Waterloo Siskins | GOJHL | 52 | 15 | 33 | 48 | 28 | | | Playoffs | 14 | 5 | 4 | 9 | 16 |
| 2009-2010 | Waterloo Siskins | GOJHL | 51 | 29 | 41 | 70 | 78 | | | Playoffs | 11 | 5 | 11 | 16 | 20 |
| 2010-2011 | Barrie Colts | OHL | 66 | 15 | 27 | 42 | 35 | | | ||||||
| 2011-2012 | Barrie Colts | OHL | 60 | 37 | 54 | 91 | 37 | | | ||||||
| OHL All-Stars | Jr Super Series | 2 | 2 | 0 | 2 | 0 | | | |||||||
| Canada U20 | WJC-20 | 6 | 1 | 5 | 6 | 6 | | | |||||||
| 2012-2013 | Los Angeles Kings | NHL | 0 | 0 | 0 | 0 | 0 | | | Playoffs | 1 | 0 | 0 | 0 | 0 |
| Manchester Monarchs | AHL | 64 | 19 | 28 | 47 | 14 | | | Playoffs | 4 | 0 | 1 | 1 | 4 | |
| 2013-2014 | Los Angeles Kings | NHL | 25 | 3 | 4 | 7 | 8 | | | Playoffs | 24 | 4 | 8 | 12 | 8 |
| Manchester Monarchs | AHL | 41 | 17 | 15 | 32 | 18 | | | |||||||
| 2014-2015 | Los Angeles Kings | NHL | 42 | 12 | 4 | 16 | 14 | | | ||||||
| 2015-2016 | Los Angeles Kings | NHL | 79 | 15 | 21 | 36 | 18 | | | Playoffs | 5 | 1 | 2 | 3 | 2 |
| 2016-2017 | Los Angeles Kings | NHL | 80 | 24 | 20 | 44 | 13 | | | ||||||
| 2017-2018 | Los Angeles Kings | NHL | 82 | 15 | 25 | 40 | 27 | | | Playoffs | 4 | 0 | 0 | 0 | 0 |
| 2018-2019 | Los Angeles Kings | NHL | 17 | 0 | 1 | 1 | 8 | | | ||||||
| Pittsburgh Penguins | NHL | 44 | 9 | 5 | 14 | 13 | | | |||||||
| Vancouver Canucks | NHL | 19 | 9 | 3 | 12 | 4 | | | |||||||
| 2019-2020 | Vancouver Canucks | NHL | 69 | 21 | 24 | 45 | 27 | | | Playoffs | 17 | 4 | 4 | 8 | 4 |
| 2020-2021 | Vancouver Canucks | NHL | 51 | 10 | 8 | 18 | 26 | | | ||||||
| 2021-2022 | Vancouver Canucks | NHL | 68 | 14 | 20 | 34 | 30 | | | ||||||
| 2022-2023 | Vancouver Canucks | NHL | 14 | 1 | 4 | 5 | 21 | | | ||||||
| 2023-2024 | Montréal Canadiens | NHL | 54 | 5 | 8 | 13 | 21 | | | ||||||
| 2024-2025 | Vegas Golden Knights | NHL | 78 | 12 | 15 | 27 | 8 | | | Playoffs | 8 | 0 | 1 | 1 | 0 |
| 2025-2026 | Winnipeg Jets | NHL | 52 | 7 | 6 | 13 | 25 | | | ||||||
| Buffalo Sabres | NHL | 4 | 0 | 2 | 2 | 2 | | |