

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2005-06 | OHL | Oshawa Generals | 65 | 45 | 32 | 77 | 72 | -13 | -- | -- | -- | -- | -- | -- |
| 2006-07 | OHL | Oshawa Generals | 67 | 72 | 62 | 134 | 60 | 25 | 9 | 7 | 12 | 19 | 6 | -4 |
| 2007-08 | OHL | Oshawa Generals | 59 | 40 | 78 | 118 | 69 | 22 | 15 | 3 | 13 | 16 | 20 | 3 |
| 2008-09 | OHL | Oshawa Generals | 32 | 26 | 28 | 54 | 32 | 5 | -- | -- | -- | -- | -- | -- |
| 2008-09 | OHL | London Knights | 24 | 32 | 18 | 50 | 22 | 5 | 14 | 10 | 11 | 21 | 8 | -2 |
| 2009-10 | NHL | New York Islanders | 82 | 24 | 30 | 54 | 22 | -15 | -- | -- | -- | -- | -- | -- |
| 2010-11 | NHL | New York Islanders | 79 | 29 | 38 | 67 | 53 | -16 | -- | -- | -- | -- | -- | -- |
| 2011-12 | NHL | New York Islanders | 82 | 31 | 50 | 81 | 26 | -6 | -- | -- | -- | -- | -- | -- |
| 2012-13 | NHL | New York Islanders | 48 | 28 | 19 | 47 | 18 | -2 | 6 | 3 | 2 | 5 | 4 | -4 |
| 2013-14 | NHL | New York Islanders | 59 | 24 | 42 | 66 | 40 | -6 | -- | -- | -- | -- | -- | -- |
| 2014-15 | NHL | New York Islanders | 82 | 38 | 48 | 86 | 46 | 5 | 7 | 2 | 4 | 6 | 2 | 2 |
| 2015-16 | NHL | New York Islanders | 78 | 33 | 37 | 70 | 38 | 6 | 11 | 6 | 5 | 11 | 6 | -3 |
| 2016-17 | NHL | New York Islanders | 77 | 28 | 38 | 66 | 38 | 4 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | New York Islanders | 82 | 37 | 47 | 84 | 26 | -12 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | Toronto Maple Leafs | 82 | 47 | 41 | 88 | 34 | 19 | 7 | 2 | 3 | 5 | 0 | -5 |
| 2019-20 | NHL | Toronto Maple Leafs | 63 | 26 | 34 | 60 | 24 | -7 | 5 | 2 | 1 | 3 | 0 | -3 |
| 2020-21 | NHL | Toronto Maple Leafs | 56 | 19 | 31 | 50 | 14 | 12 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2021-22 | NHL | Toronto Maple Leafs | 79 | 27 | 49 | 76 | 32 | -8 | 7 | 3 | 3 | 6 | 2 | 0 |
| 2022-23 | NHL | Toronto Maple Leafs | 80 | 36 | 44 | 80 | 34 | -7 | 11 | 4 | 4 | 8 | 4 | -1 |
| 2023-24 | NHL | Toronto Maple Leafs | 80 | 29 | 36 | 65 | 30 | 2 | 7 | 1 | 1 | 2 | 2 | 0 |
| 2024-25 | NHL | Toronto Maple Leafs | 75 | 38 | 36 | 74 | 46 | 10 | 13 | 5 | 2 | 7 | 10 | -6 |
| 2025-26 | NHL | Toronto Maple Leafs | 67 | 23 | 31 | 54 | 24 | -26 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 1251 | 517 | 651 | 1168 | 545 | -47 | 75 | 28 | 25 | 53 | 30 | -20 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2008 | World Junior U-20 Championships | Team Canada | 7 | 4 | 1 | 5 | 2 | 0 |
| 2009 | World Junior U-20 Championships | Team Canada | 6 | 8 | 7 | 15 | 0 | 0 |
| 2010 | IIHF World Championship | Team Canada | 7 | 7 | 0 | 7 | 6 | 0 |
| 2011 | IIHF World Championship | Team Canada | 7 | 5 | 4 | 9 | 12 | 6 |
| 2012 | IIHF World Championship | Team Canada | 8 | 4 | 5 | 9 | 12 | 4 |
| 2017 | World Cup of Hockey | Team Canada | 6 | 1 | 3 | 4 | 0 | 2 |
| 2024 | IIHF World Championship | Team Canada | 9 | 2 | 9 | 11 | 6 | -4 |