Statistics
Regular Season Stats
| 2010-11 | QAAA | Lac St-Louis | 38 | 22 | 36 | 58 | - | - | - | 38 |
| 2011-12 | QAAA | Lac St-Louis | 21 | 21 | 29 | 50 | - | - | - | 35 |
| 2011-12 | QMJHL | Halifax | 33 | 7 | 22 | 29 | -5 | 79 | 8.9% | 12 |
| 2012-13 | QMJHL | Halifax | 49 | 41 | 64 | 105 | 48 | 173 | 23.7% | 32 |
| 2013-14 | QMJHL | Halifax | 46 | 29 | 79 | 108 | 50 | 217 | 13.4% | 43 |
| 2014-15 | NHL | Tampa Bay Lightning | 70 | 4 | 28 | 32 | 3 | 76 | 5.3% | 34 |
| 2014-15 | AHL | Syracuse | 2 | 1 | 2 | 3 | 4 | 9 | 11.1% | 0 |
| 2015-16 | NHL | Tampa Bay Lightning | 21 | 4 | 6 | 10 | 1 | 25 | 16.0% | 4 |
| 2015-16 | AHL | Syracuse | 17 | 11 | 2 | 13 | -9 | 55 | 20.0% | 12 |
| 2016-17 | NHL | Tampa Bay Lightning | 73 | 21 | 32 | 53 | -13 | 183 | 11.5% | 16 |
| 2016-17 | WCup | Team North America | 3 | 1 | 0 | 1 | 2 | - | - | 0 |
| 2017-18 | NHL | Montréal Canadiens | 77 | 13 | 33 | 46 | -28 | 164 | 7.9% | 30 |
| 2018-19 | NHL | Montréal Canadiens | 81 | 18 | 35 | 53 | -8 | 190 | 9.5% | 26 |
| 2019-20 | NHL | Montréal Canadiens | 27 | 7 | 8 | 15 | -6 | 51 | 13.7% | 14 |
| 2020-21 | NHL | Montréal Canadiens | 44 | 2 | 21 | 23 | -8 | 76 | 2.6% | 20 |
| 2021-22 | NHL | Montréal Canadiens | 34 | 6 | 14 | 20 | -9 | 62 | 9.7% | 23 |
| 2022-23 | NHL | Montréal Canadiens | 58 | 2 | 27 | 29 | -18 | 69 | 2.9% | 18 |
| 2023-24 | NHL | Colorado Avalanche | 79 | 19 | 37 | 56 | 12 | 127 | 15.0% | 28 |
| 2024-25 | NHL | Colorado Avalanche | 43 | 11 | 26 | 37 | 4 | 56 | 19.6% | 6 |
| 2025-26 | NHL | New York Islanders | 39 | 3 | 17 | 20 | 3 | 52 | 5.8% | 17 |
| NHL Totals | – | 646 | 110 | 284 | 394 | -67 | 1131 | 9.7% | 236 | |
| AHL Totals | – | 19 | 12 | 4 | 16 | -5 | 64 | 18.8% | 12 | |
| Juniors Totals | – | 128 | 77 | 165 | 242 | 93 | 469 | 16.4% | 87 | |
Playoff Stats
| 2010-11 | QAAA | Lac St-Louis | 15 | 11 | 17 | 28 | - | - | - | 18 |
| 2010-11 | Tel-Cup | Lac St-Louis | 7 | 2 | 4 | 6 | - | - | - | 12 |
| 2011-12 | QMJHL | Halifax | 17 | 9 | 17 | 26 | 6 | 47 | 19.2% | 4 |
| 2012-13 | QMJHL | Halifax | 17 | 12 | 23 | 35 | 22 | 59 | 20.3% | 14 |
| 2012-13 | M-Cup | Halifax | 4 | 1 | 8 | 9 | 6 | - | - | 0 |
| 2013-14 | QMJHL | Halifax | 16 | 13 | 28 | 41 | 9 | - | - | 18 |
| 2014-15 | NHL | Tampa Bay Lightning | 6 | 0 | 0 | 0 | -6 | 6 | 0.0% | 2 |
| 2015-16 | NHL | Tampa Bay Lightning | 17 | 5 | 9 | 14 | -1 | 35 | 14.3% | 14 |
| 2019-20 | NHL | Montréal Canadiens | 10 | 1 | 6 | 7 | 3 | 16 | 6.3% | 8 |
| 2023-24 | NHL | Colorado Avalanche | 3 | 0 | 3 | 3 | -1 | 4 | 0.0% | 2 |
| 2024-25 | NHL | Colorado Avalanche | 7 | 0 | 3 | 3 | -6 | 9 | 0.0% | 0 |
| NHL Totals | – | 43 | 6 | 21 | 27 | -11 | 70 | 8.6% | 26 | |
| Juniors Totals | – | 50 | 34 | 68 | 102 | 37 | 106 | 32.1% | 36 | |
Last 5 Games
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | @ MIN | Jan 10 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 18 | 14:43 |
| Regular | @ NSH | Jan 8 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 1 | 20 | 17:50 |
| Regular | vs NJD | Jan 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 12:55 |
| Regular | vs TOR | Jan 3 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 22 | 18:56 |
| Regular | vs UTA | Jan 1 | 0 | 1 | 1 | -1 | 0 | 0 | 0 | 2 | 17 | 17:00 |