
| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 1976-77 | QMJHL | Sorel | 69 | 12 | 36 | 48 | 61 | 0 | -- | -- | -- | -- | -- | -- |
| 1976-77 | QMJHL | Trois-Rivieres Draveurs | 39 | 3 | 20 | 23 | 27 | 0 | -- | -- | -- | -- | -- | -- |
| 1977-78 | QMJHL | Verdun | 72 | 22 | 57 | 79 | 90 | 0 | 4 | 2 | 1 | 3 | 0 | 0 |
| 1978-79 | QMJHL | Verdun | 63 | 22 | 71 | 93 | 44 | 0 | 11 | 3 | 16 | 19 | 18 | 0 |
| 1979-80 | NHL | Boston Bruins | 80 | 17 | 48 | 65 | 73 | 52 | 10 | 2 | 9 | 11 | 27 | 4 |
| 1980-81 | NHL | Boston Bruins | 67 | 27 | 29 | 56 | 96 | 29 | 3 | 0 | 1 | 1 | 2 | -2 |
| 1981-82 | NHL | Boston Bruins | 65 | 17 | 49 | 66 | 51 | 21 | 9 | 1 | 5 | 6 | 16 | 5 |
| 1982-83 | NHL | Boston Bruins | 65 | 22 | 51 | 73 | 20 | 49 | 17 | 8 | 15 | 23 | 10 | 15 |
| 1983-84 | NHL | Boston Bruins | 78 | 31 | 65 | 96 | 57 | 51 | 3 | 0 | 2 | 2 | 0 | -3 |
| 1984-85 | NHL | Boston Bruins | 73 | 20 | 66 | 86 | 53 | 30 | 5 | 0 | 3 | 3 | 4 | 1 |
| 1985-86 | NHL | Boston Bruins | 74 | 19 | 58 | 77 | 68 | 17 | 3 | 0 | 0 | 0 | 0 | 0 |
| 1986-87 | NHL | Boston Bruins | 78 | 23 | 72 | 95 | 36 | 44 | 4 | 1 | 2 | 3 | 0 | -1 |
| 1987-88 | NHL | Boston Bruins | 78 | 17 | 64 | 81 | 72 | 34 | 23 | 3 | 18 | 21 | 26 | 16 |
| 1988-89 | NHL | Boston Bruins | 60 | 18 | 43 | 61 | 52 | 20 | 10 | 0 | 4 | 4 | 6 | -1 |
| 1989-90 | NHL | Boston Bruins | 76 | 19 | 65 | 84 | 50 | 31 | 17 | 5 | 12 | 17 | 16 | 11 |
| 1990-91 | NHL | Boston Bruins | 76 | 21 | 73 | 94 | 75 | 33 | 19 | 7 | 18 | 25 | 12 | -4 |
| 1991-92 | NHL | Boston Bruins | 80 | 21 | 60 | 81 | 56 | 11 | 12 | 3 | 6 | 9 | 12 | -10 |
| 1992-93 | NHL | Boston Bruins | 78 | 19 | 63 | 82 | 40 | 38 | 4 | 1 | 0 | 1 | 2 | -2 |
| 1993-94 | NHL | Boston Bruins | 72 | 20 | 71 | 91 | 58 | 26 | 13 | 2 | 8 | 10 | 0 | -5 |
| 1994-95 | NHL | Boston Bruins | 46 | 12 | 31 | 43 | 20 | 3 | 5 | 0 | 3 | 3 | 0 | -5 |
| 1995-96 | NHL | Boston Bruins | 82 | 20 | 62 | 82 | 58 | 31 | 5 | 1 | 6 | 7 | 2 | -4 |
| 1996-97 | NHL | Boston Bruins | 62 | 19 | 31 | 50 | 18 | -11 | -- | -- | -- | -- | -- | -- |
| 1997-98 | NHL | Boston Bruins | 82 | 13 | 35 | 48 | 80 | 2 | 6 | 1 | 4 | 5 | 2 | -2 |
| 1998-99 | NHL | Boston Bruins | 81 | 10 | 47 | 57 | 34 | -7 | 12 | 1 | 9 | 10 | 14 | 1 |
| 1999-00 | NHL | Boston Bruins | 65 | 10 | 28 | 38 | 20 | -11 | -- | -- | -- | -- | -- | -- |
| 1999-00 | NHL | Colorado Avalanche | 14 | 8 | 6 | 14 | 6 | 9 | 13 | 1 | 8 | 9 | 8 | 4 |
| 2000-01 | NHL | Colorado Avalanche | 80 | 7 | 52 | 59 | 48 | 25 | 21 | 4 | 6 | 10 | 12 | 9 |
| NHL TOTALS | 1612 | 410 | 1169 | 1579 | 1141 | 527 | 214 | 41 | 139 | 180 | 171 | 27 | ||
| Season | League | Award |
|---|---|---|
| 1979-80 | NHL | Calder Memorial Trophy |
| 1986-87 | NHL | James Norris Memorial Trophy |
| 1987-88 | NHL | James Norris Memorial Trophy |
| 1989-90 | NHL | James Norris Memorial Trophy |
| 1990-91 | NHL | James Norris Memorial Trophy |
| 1991-92 | NHL | King Clancy Memorial Trophy |
| 1993-94 | NHL | James Norris Memorial Trophy |
| 2000-01 | NHL | Stanley Cup |
| 2002-03 | NHL | Lester Patrick Trophy |