| Season | Team | League | GP | G | A | TP | PIM | | Playoffs | GP | G | A | TP | PIM |
| 2003-2004 | Toronto Marlboros U15 AAA | GTHL U15 | 90 | 95 | 92 | 187 | 76 | | | | | | | | |
| | Toronto Marlboros U15 AAA | Big Nickel U14 | 7 | 8 | 13 | 21 | 2 | | | | | | | | |
| 2004-2005 | Toronto Marlboros U16 AAA | OHL Cup | 5 | 6 | 2 | 8 | 0 | | | | | | | | |
| | Toronto Marlboros U16 AAA | GTHL U16 | 72 | 91 | 67 | 158 | 62 | | | | | | | | |
| | King Rebellion | OJHL | 20 | 13 | 15 | 28 | 10 | | | | | | | | |
| 2005-2006 | Oshawa Generals | OHL | 65 | 45 | 32 | 77 | 72 | | | | | | | | |
| | Canada Ontario U17 | WHC-17 | 5 | 6 | 8 | 13 | 8 | | | | | | | | |
| | Canada U18 | WJC-18 | 7 | 2 | 3 | 5 | 4 | | | | | | | | |
| 2006-2007 | Oshawa Generals | OHL | 67 | 72 | 62 | 134 | 60 | | | Playoffs | 9 | 7 | 12 | 19 | 6 |
| | OHL All-Stars | CHL Challenge | 2 | 1 | 1 | 2 | 0 | | | | | | | | |
| 2007-2008 | Oshawa Generals | OHL | 59 | 40 | 78 | 118 | 69 | | | Playoffs | 15 | 3 | 13 | 16 | 20 |
| | Canada U20 | WJC-20 | 7 | 4 | 1 | 5 | 2 | | | | | | | | |
| | Canada U20 | Super Series | 8 | 1 | 8 | 9 | 26 | | | | | | | | |
| | OHL All-Stars | CHL Challenge | 2 | 1 | 3 | 4 | 0 | | | | | | | | |
| 2008-2009 | Oshawa Generals | OHL | 32 | 26 | 28 | 54 | 32 | | | | | | | | |
| | London Knights | OHL | 24 | 32 | 18 | 50 | 22 | | | Playoffs | 14 | 10 | 11 | 21 | 8 |
| | OHL All-Stars | CHL Challenge | 2 | 3 | 1 | 4 | 2 | | | | | | | | |
| | Canada U20 | WJC-20 | 6 | 8 | 7 | 15 | 0 | | | | | | | | |
| 2009-2010 | New York Islanders | NHL | 82 | 24 | 30 | 54 | 22 | | | | | | | | |
| | Canada | WC | 7 | 7 | 0 | 7 | 6 | | | | | | | | |
| 2010-2011 | New York Islanders | NHL | 79 | 29 | 38 | 67 | 53 | | | | | | | | |
| | Canada | WC | 7 | 5 | 4 | 9 | 12 | | | | | | | | |
| 2011-2012 | New York Islanders | NHL | 82 | 31 | 50 | 81 | 26 | | | | | | | | |
| | Canada | WC | 8 | 4 | 5 | 9 | 12 | | | | | | | | |
| 2012-2013 | SC Bern | NL | 28 | 17 | 25 | 42 | 28 | | | | | | | | |
| | SC Bern | ET | 1 | 1 | 2 | 3 | 0 | | | | | | | | |
| | New York Islanders | NHL | 48 | 28 | 19 | 47 | 18 | | | Playoffs | 6 | 3 | 2 | 5 | 4 |
| | Team Canada | Spengler Cup | 4 | 3 | 1 | 4 | 0 | | | | | | | | |
| 2013-2014 | New York Islanders | NHL | 59 | 24 | 42 | 66 | 40 | | | | | | | | |
| | Canada | OG | 4 | 0 | 0 | 0 | 0 | | | | | | | | |
| 2014-2015 | New York Islanders | NHL | 82 | 38 | 48 | 86 | 46 | | | Playoffs | 7 | 2 | 4 | 6 | 2 |
| 2015-2016 | New York Islanders | NHL | 78 | 33 | 37 | 70 | 38 | | | Playoffs | 11 | 6 | 5 | 11 | 6 |
| 2016-2017 | New York Islanders | NHL | 77 | 28 | 38 | 66 | 38 | | | | | | | | |
| | Canada | WCup | 6 | 1 | 3 | 4 | 0 | | | | | | | | |
| 2017-2018 | New York Islanders | NHL | 82 | 37 | 47 | 84 | 26 | | | | | | | | |
| 2018-2019 | Toronto Maple Leafs | NHL | 82 | 47 | 41 | 88 | 34 | | | Playoffs | 7 | 2 | 3 | 5 | 0 |
| 2019-2020 | Toronto Maple Leafs | NHL | 63 | 26 | 34 | 60 | 24 | | | Playoffs | 5 | 2 | 1 | 3 | 0 |
| 2020-2021 | Toronto Maple Leafs | NHL | 56 | 19 | 31 | 50 | 14 | | | Playoffs | 1 | 0 | 0 | 0 | 0 |
| 2021-2022 | Toronto Maple Leafs | NHL | 79 | 27 | 49 | 76 | 32 | | | Playoffs | 7 | 3 | 3 | 6 | 2 |
| 2022-2023 | Toronto Maple Leafs | NHL | 80 | 36 | 44 | 80 | 34 | | | Playoffs | 11 | 4 | 4 | 8 | 4 |
| 2023-2024 | Toronto Maple Leafs | NHL | 80 | 29 | 36 | 65 | 30 | | | Playoffs | 7 | 1 | 1 | 2 | 2 |
| | Canada | WC | 9 | 2 | 9 | 11 | 6 | | | | | | | | |
| 2024-2025 | Toronto Maple Leafs | NHL | 22 | 10 | 11 | 21 | 12 | | | | | | | | |
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