

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2009-10 | OHL | Barrie Colts | 34 | 5 | 9 | 14 | 35 | 7 | -- | -- | -- | -- | -- | -- |
| 2009-10 | OHL | Niagara IceDogs | 27 | 3 | 10 | 13 | 26 | -9 | 5 | 0 | 3 | 3 | 0 | -1 |
| 2010-11 | OHL | Niagara IceDogs | 65 | 33 | 73 | 106 | 82 | 28 | 14 | 6 | 6 | 12 | 19 | -4 |
| 2011-12 | OHL | Niagara IceDogs | 46 | 30 | 38 | 68 | 47 | 37 | 20 | 7 | 16 | 23 | 31 | -3 |
| 2012-13 | OHL | Niagara IceDogs | 53 | 34 | 60 | 94 | 59 | 43 | 5 | 2 | 1 | 3 | 8 | -4 |
| 2012-13 | AHL | Bridgeport Islanders | 10 | 2 | 5 | 7 | 4 | -1 | -- | -- | -- | -- | -- | -- |
| 2013-14 | AHL | Bridgeport Islanders | 37 | 13 | 36 | 49 | 41 | 16 | -- | -- | -- | -- | -- | -- |
| 2013-14 | NHL | New York Islanders | 37 | 7 | 11 | 18 | 8 | -1 | -- | -- | -- | -- | -- | -- |
| 2014-15 | NHL | New York Islanders | 81 | 17 | 33 | 50 | 47 | 23 | 7 | 2 | 2 | 4 | 2 | 1 |
| 2015-16 | AHL | Bridgeport Islanders | 8 | 2 | 2 | 4 | 10 | 3 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | New York Islanders | 71 | 8 | 20 | 28 | 28 | -9 | 8 | 1 | 3 | 4 | 2 | 1 |
| 2016-17 | NHL | New York Islanders | 69 | 13 | 17 | 30 | 40 | -8 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | Edmonton Oilers | 82 | 13 | 21 | 34 | 33 | -4 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | Edmonton Oilers | 18 | 1 | 1 | 2 | 14 | -1 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | New York Rangers | 63 | 18 | 15 | 33 | 50 | -2 | -- | -- | -- | -- | -- | -- |
| 2019-20 | NHL | New York Rangers | 70 | 18 | 41 | 59 | 48 | 21 | 3 | 0 | 2 | 2 | 7 | -3 |
| 2020-21 | NHL | New York Rangers | 56 | 14 | 35 | 49 | 39 | 6 | -- | -- | -- | -- | -- | -- |
| 2021-22 | NHL | New York Rangers | 74 | 21 | 33 | 54 | 69 | 15 | 19 | 2 | 7 | 9 | 10 | 0 |
| 2022-23 | NHL | Anaheim Ducks | 82 | 15 | 26 | 41 | 79 | -30 | -- | -- | -- | -- | -- | -- |
| 2023-24 | NHL | Anaheim Ducks | 79 | 11 | 30 | 41 | 86 | -20 | -- | -- | -- | -- | -- | -- |
| 2024-25 | NHL | Anaheim Ducks | 82 | 10 | 31 | 41 | 70 | -3 | -- | -- | -- | -- | -- | -- |
| 2025-26 | NHL | Anaheim Ducks | 33 | 3 | 6 | 9 | 27 | -5 | -- | -- | -- | -- | -- | -- |
| 2025-26 | NHL | Calgary Flames | 5 | 1 | 3 | 4 | 0 | -1 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 902 | 170 | 323 | 493 | 638 | -19 | 37 | 5 | 14 | 19 | 21 | -1 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2012 | World Junior U-20 Championships | Team Canada | 6 | 3 | 6 | 9 | 8 | 9 |
| 2013 | World Junior U-20 Championships | Team Canada | 6 | 4 | 2 | 6 | 10 | 2 |