
| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 1971-72 | SJHL | Humboldt | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- |
| 1975-76 | NHL | New York Islanders | 80 | 32 | 63 | 95 | 21 | 27 | 13 | 1 | 7 | 8 | 8 | -2 |
| 1976-77 | NHL | New York Islanders | 76 | 30 | 42 | 72 | 34 | 28 | 12 | 2 | 8 | 10 | 2 | 4 |
| 1977-78 | NHL | New York Islanders | 77 | 46 | 77 | 123 | 46 | 52 | 7 | 0 | 3 | 3 | 4 | 0 |
| 1978-79 | NHL | New York Islanders | 76 | 47 | 87 | 134 | 50 | 76 | 10 | 2 | 4 | 6 | 13 | 3 |
| 1979-80 | NHL | New York Islanders | 78 | 42 | 62 | 104 | 68 | 31 | 21 | 12 | 17 | 29 | 16 | 8 |
| 1980-81 | NHL | New York Islanders | 73 | 31 | 72 | 103 | 74 | 50 | 18 | 11 | 18 | 29 | 34 | 18 |
| 1981-82 | NHL | New York Islanders | 80 | 50 | 79 | 129 | 88 | 70 | 19 | 6 | 23 | 29 | 40 | 9 |
| 1982-83 | NHL | New York Islanders | 80 | 34 | 55 | 89 | 68 | 36 | 17 | 8 | 12 | 20 | 18 | 8 |
| 1983-84 | NHL | New York Islanders | 68 | 40 | 71 | 111 | 59 | 68 | 21 | 8 | 6 | 14 | 49 | 4 |
| 1984-85 | NHL | New York Islanders | 68 | 28 | 31 | 59 | 47 | 3 | 10 | 4 | 2 | 6 | 8 | 0 |
| 1985-86 | NHL | New York Islanders | 78 | 37 | 59 | 96 | 72 | 30 | 3 | 1 | 1 | 2 | 2 | -1 |
| 1986-87 | NHL | New York Islanders | 80 | 23 | 64 | 87 | 50 | 4 | 14 | 8 | 3 | 11 | 12 | -6 |
| 1987-88 | NHL | New York Islanders | 77 | 30 | 52 | 82 | 48 | 10 | 6 | 0 | 0 | 0 | 10 | -9 |
| 1988-89 | NHL | New York Islanders | 73 | 17 | 28 | 45 | 44 | -7 | -- | -- | -- | -- | -- | -- |
| 1989-90 | NHL | New York Islanders | 59 | 13 | 11 | 24 | 29 | -11 | 4 | 1 | 0 | 1 | 4 | -4 |
| 1990-91 | NHL | Pittsburgh Penguins | 52 | 9 | 19 | 28 | 24 | 5 | 23 | 3 | 4 | 7 | 49 | -1 |
| 1991-92 | NHL | Pittsburgh Penguins | 63 | 11 | 18 | 29 | 54 | -11 | 21 | 4 | 3 | 7 | 8 | 0 |
| 1993-94 | NHL | Pittsburgh Penguins | 41 | 4 | 11 | 15 | 36 | -12 | 2 | 0 | 0 | 0 | 0 | 0 |
| NHL TOTALS | 1279 | 524 | 901 | 1425 | 912 | 449 | 221 | 71 | 111 | 182 | 277 | 31 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 1975 | World Junior U-20 Championships | Team Canada | 7 | 5 | 2 | 7 | 0 | 0 |
| Season | League | Award |
|---|---|---|
| 1975-76 | NHL | Calder Memorial Trophy |
| 1978-79 | NHL | Art Ross Trophy |
| 1978-79 | NHL | Hart Memorial Trophy |
| 1979-80 | NHL | Stanley Cup |
| 1979-80 | NHL | Conn Smythe Trophy |
| 1980-81 | NHL | Stanley Cup |
| 1981-82 | NHL | Stanley Cup |
| 1982-83 | NHL | Stanley Cup |
| 1988-89 | NHL | King Clancy Memorial Trophy |
| 1990-91 | NHL | Stanley Cup |
| 1991-92 | NHL | Stanley Cup |