
| 2007-08 | GTHL | Tor. Jr. Canadiens | 83 | 68 | 106 | 174 | - | - | - | 72 |
| 2008-09 | OHL | Ottawa | 54 | 17 | 29 | 46 | 0 | - | - | 16 |
| 2009-10 | OHL | Ottawa | 65 | 37 | 42 | 79 | 25 | - | - | 54 |
| 2010-11 | OHL | Ottawa | 68 | 57 | 51 | 108 | 44 | - | - | 33 |
| 2010-11 | AHL | Manchester | 1 | 1 | 0 | 1 | 0 | 4 | 25.0% | 0 |
| 2011-12 | OHL | Ottawa | 65 | 52 | 48 | 100 | 31 | - | - | 22 |
| 2012-13 | NHL | Los Angeles Kings | 10 | 2 | 3 | 5 | 3 | 20 | 10.0% | 2 |
| 2012-13 | AHL | Manchester | 58 | 28 | 23 | 51 | 20 | 178 | 15.7% | 18 |
| 2013-14 | NHL | Los Angeles Kings | 62 | 12 | 17 | 29 | 21 | 124 | 9.7% | 10 |
| 2013-14 | AHL | Manchester | 18 | 15 | 8 | 23 | 5 | 63 | 23.8% | 4 |
| 2014-15 | NHL | Los Angeles Kings | 76 | 23 | 26 | 49 | 25 | 200 | 11.5% | 37 |
| 2015-16 | NHL | Los Angeles Kings | 82 | 31 | 27 | 58 | 35 | 213 | 14.5% | 20 |
| 2016-17 | NHL | Los Angeles Kings | 63 | 16 | 18 | 34 | 6 | 165 | 9.7% | 22 |
| 2017-18 | NHL | Los Angeles Kings | 82 | 24 | 23 | 47 | 9 | 251 | 9.6% | 16 |
| 2018-19 | NHL | Los Angeles Kings | 82 | 13 | 21 | 34 | -16 | 226 | 5.8% | 23 |
| 2019-20 | NHL | Los Angeles Kings | 58 | 18 | 16 | 34 | -4 | 165 | 10.9% | 16 |
| 2019-20 | NHL | Vancouver Canucks | 10 | 6 | 4 | 10 | 3 | 38 | 15.8% | 4 |
| 2020-21 | NHL | Montréal Canadiens | 52 | 28 | 16 | 44 | 0 | 158 | 17.7% | 24 |
| 2021-22 | NHL | Montréal Canadiens | 37 | 9 | 17 | 26 | -8 | 100 | 9.0% | 4 |
| 2021-22 | NHL | Calgary Flames | 37 | 11 | 12 | 23 | 3 | 95 | 11.6% | 10 |
| 2022-23 | NHL | Calgary Flames | 82 | 34 | 39 | 73 | 16 | 268 | 12.7% | 28 |
| 2023-24 | NHL | New Jersey Devils | 61 | 26 | 18 | 44 | -15 | 179 | 14.5% | 12 |
| 2023-24 | NHL | Winnipeg Jets | 18 | 7 | 4 | 11 | 9 | 50 | 14.0% | 2 |
| 2024-25 | NHL | San Jose Sharks | 78 | 30 | 24 | 54 | -21 | 233 | 12.9% | 14 |
| 2025-26 | NHL | San Jose Sharks | 45 | 13 | 19 | 32 | -4 | 108 | 12.0% | 6 |
| NHL Totals | – | 935 | 303 | 304 | 607 | 62 | 2593 | 11.7% | 250 | |
| AHL Totals | – | 77 | 44 | 31 | 75 | 25 | 245 | 18.0% | 22 | |
| Juniors Totals | – | 252 | 163 | 170 | 333 | 100 | - | - | 125 | |
| 2008-09 | OHL | Ottawa | 7 | 2 | 6 | 8 | 3 | - | - | 4 |
| 2009-10 | OHL | Ottawa | 12 | 7 | 6 | 13 | -2 | - | - | 10 |
| 2010-11 | OHL | Ottawa | 4 | 3 | 5 | 8 | -4 | - | - | 4 |
| 2010-11 | AHL | Manchester | 5 | 1 | 0 | 1 | -2 | - | - | 6 |
| 2011-12 | OHL | Ottawa | 18 | 11 | 7 | 18 | -4 | - | - | 21 |
| 2012-13 | NHL | Los Angeles Kings | 12 | 2 | 4 | 6 | 5 | 19 | 10.5% | 0 |
| 2013-14 | NHL | Los Angeles Kings | 26 | 7 | 7 | 14 | 6 | 65 | 10.8% | 10 |
| 2015-16 | NHL | Los Angeles Kings | 5 | 0 | 1 | 1 | -5 | 9 | 0.0% | 2 |
| 2017-18 | NHL | Los Angeles Kings | 4 | 0 | 0 | 0 | -1 | 17 | 0.0% | 0 |
| 2019-20 | NHL | Vancouver Canucks | 7 | 2 | 2 | 4 | -4 | 11 | 18.2% | 0 |
| 2020-21 | NHL | Montréal Canadiens | 22 | 5 | 9 | 14 | -6 | 49 | 10.2% | 6 |
| 2021-22 | NHL | Calgary Flames | 12 | 2 | 3 | 5 | -6 | 33 | 6.1% | 6 |
| 2023-24 | NHL | Winnipeg Jets | 5 | 2 | 0 | 2 | -2 | 8 | 25.0% | 0 |
| NHL Totals | – | 93 | 20 | 26 | 46 | -13 | 211 | 9.5% | 24 | |
| AHL Totals | – | 5 | 1 | 0 | 1 | -2 | - | - | 6 | |
| Juniors Totals | – | 41 | 23 | 24 | 47 | -7 | - | - | 39 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs VGK | Jan 11 | 0 | 1 | 1 | -1 | 2 | 0 | 0 | 1 | 19 | 17:19 |
| Regular | vs DAL | Jan 10 | 2 | 1 | 3 | -1 | 0 | 2 | 0 | 5 | 21 | 19:28 |
| Regular | @ LAK | Jan 7 | 1 | 0 | 1 | 0 | 2 | 1 | 0 | 7 | 21 | 16:55 |
| Regular | vs CBJ | Jan 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 7 | 20 | 17:23 |
| Regular | vs TBL | Jan 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 13:56 |
| Year | Award |
|---|---|
| 2013-14 | Stanley Cup |