

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2009-10 | QMJHL | Victoriaville Tigres | 61 | 10 | 18 | 28 | 54 | 19 | 16 | 0 | 1 | 1 | 8 | -2 |
| 2010-11 | QMJHL | Victoriaville Tigres | 64 | 23 | 44 | 67 | 59 | 17 | 9 | 5 | 10 | 15 | 6 | 4 |
| 2011-12 | QMJHL | Victoriaville Tigres | 62 | 18 | 53 | 71 | 61 | 11 | 4 | 0 | 3 | 3 | 4 | -1 |
| 2011-12 | AHL | Rockford IceHogs | 7 | 0 | 2 | 2 | 10 | -5 | -- | -- | -- | -- | -- | -- |
| 2012-13 | QMJHL | Victoriaville Tigres | 29 | 14 | 30 | 44 | 28 | -1 | -- | -- | -- | -- | -- | -- |
| 2012-13 | QMJHL | Moncton Wildcats | 27 | 9 | 32 | 41 | 22 | 17 | 4 | 1 | 3 | 4 | 0 | -1 |
| 2012-13 | AHL | Rockford IceHogs | 5 | 0 | 0 | 0 | 2 | -1 | -- | -- | -- | -- | -- | -- |
| 2013-14 | AHL | Rockford IceHogs | 72 | 6 | 20 | 26 | 40 | 11 | -- | -- | -- | -- | -- | -- |
| 2014-15 | AHL | Rockford IceHogs | 70 | 13 | 25 | 38 | 38 | 20 | 8 | 3 | 2 | 5 | 20 | 8 |
| 2014-15 | NHL | Chicago Blackhawks | 2 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- |
| 2015-16 | AHL | Rockford IceHogs | 6 | 1 | 1 | 2 | 4 | -2 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | Chicago Blackhawks | 30 | 1 | 4 | 5 | 6 | -3 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | Montréal Canadiens | 21 | 3 | 2 | 5 | 8 | -2 | -- | -- | -- | -- | -- | -- |
| 2016-17 | NHL | Montréal Canadiens | 82 | 13 | 27 | 40 | 35 | 5 | 6 | 0 | 2 | 2 | 2 | 1 |
| 2017-18 | NHL | Montréal Canadiens | 52 | 8 | 17 | 25 | 34 | 0 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | Montréal Canadiens | 81 | 12 | 41 | 53 | 39 | 17 | -- | -- | -- | -- | -- | -- |
| 2019-20 | NHL | Montréal Canadiens | 71 | 13 | 34 | 47 | 32 | 18 | 10 | 1 | 2 | 3 | 6 | -1 |
| 2020-21 | NHL | Montréal Canadiens | 53 | 5 | 19 | 24 | 24 | 9 | 22 | 1 | 3 | 4 | 6 | -1 |
| 2021-22 | NHL | Los Angeles Kings | 79 | 27 | 24 | 51 | 38 | 14 | 7 | 3 | 2 | 5 | 2 | 6 |
| 2022-23 | NHL | Los Angeles Kings | 82 | 18 | 36 | 54 | 63 | -8 | 6 | 2 | 3 | 5 | 12 | 1 |
| 2023-24 | NHL | Los Angeles Kings | 78 | 17 | 30 | 47 | 18 | 12 | 5 | 0 | 1 | 1 | 4 | 0 |
| 2024-25 | NHL | Los Angeles Kings | 80 | 8 | 35 | 43 | 26 | 20 | 6 | 2 | 6 | 8 | 0 | 2 |
| 2025-26 | NHL | Los Angeles Kings | 30 | 0 | 5 | 5 | 6 | 3 | -- | -- | -- | -- | -- | -- |
| 2025-26 | NHL | Montréal Canadiens | 29 | 5 | 6 | 11 | 14 | -5 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 770 | 130 | 280 | 410 | 343 | 80 | 62 | 9 | 19 | 28 | 32 | 8 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2013 | World Junior U-20 Championships | Team Canada | 6 | 0 | 1 | 1 | 2 | -2 |
| 2025 | IIHF World Championship | Team Canada | 8 | 0 | 2 | 2 | 2 | 1 |