| Position | D |
| Birth city | Vancouver, British Columbia, CAN |
| Birth date | 1994-03-09 (32) |
| Height | 6'1'' |
| weight (lb) | 224 |
| Drafted | pick 5 round 1 by TOR in 2012 |
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2013-14 | NHL | Toronto Maple Leafs | 73 | 2 | 25 | 27 | -13 | 12 |
| 2014-15 | NHL | Toronto Maple Leafs | 81 | 8 | 21 | 29 | -16 | 14 |
| 2015-16 | NHL | Toronto Maple Leafs | 82 | 9 | 27 | 36 | -17 | 28 |
| 2016-17 | NHL | Toronto Maple Leafs | 76 | 6 | 21 | 27 | -20 | 21 |
| 2017-18 | NHL | Toronto Maple Leafs | 76 | 6 | 46 | 52 | -4 | 14 |
| 2018-19 | NHL | Toronto Maple Leafs | 82 | 20 | 52 | 72 | 24 | 14 |
| 2019-20 | NHL | Toronto Maple Leafs | 47 | 3 | 24 | 27 | 6 | 24 |
| 2020-21 | NHL | Toronto Maple Leafs | 55 | 5 | 30 | 35 | 11 | 14 |
| 2021-22 | NHL | Toronto Maple Leafs | 82 | 10 | 58 | 68 | 16 | 40 |
| 2022-23 | NHL | Toronto Maple Leafs | 65 | 4 | 37 | 41 | -9 | 21 |
| 2023-24 | NHL | Toronto Maple Leafs | 72 | 7 | 51 | 58 | 7 | 27 |
| 2024-25 | NHL | Toronto Maple Leafs | 82 | 7 | 34 | 41 | -8 | 21 |
| 2025-26 | NHL | Toronto Maple Leafs | 78 | 11 | 25 | 36 | -18 | 29 |
| 2026-27 | NHL | Toronto Maple Leafs | 6 | 0 | 4 | 4 | -1 | 2 |
| NHL Total | 957 | 98 | 455 | 553 | -42 | 281 | ||
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2016-17 | NHL | Toronto Maple Leafs | 6 | 1 | 4 | 5 | 1 | 2 |
| 2017-18 | NHL | Toronto Maple Leafs | 7 | 0 | 5 | 5 | -2 | 4 |
| 2018-19 | NHL | Toronto Maple Leafs | 7 | 1 | 4 | 5 | 0 | 0 |
| 2019-20 | NHL | Toronto Maple Leafs | 5 | 1 | 0 | 1 | -1 | 2 |
| 2020-21 | NHL | Toronto Maple Leafs | 7 | 1 | 2 | 3 | 3 | 0 |
| 2021-22 | NHL | Toronto Maple Leafs | 7 | 3 | 3 | 6 | 0 | 17 |
| 2022-23 | NHL | Toronto Maple Leafs | 11 | 4 | 8 | 12 | 11 | 6 |
| 2023-24 | NHL | Toronto Maple Leafs | 7 | 0 | 3 | 3 | 2 | 0 |
| 2024-25 | NHL | Toronto Maple Leafs | 13 | 4 | 3 | 7 | -2 | 4 |
| NHL Total | 70 | 15 | 32 | 47 | 12 | 35 | ||