
| 1974-75 | OHA-B | Wexford | 41 | 5 | 13 | 18 | - | - | - | 104 |
| 1975-76 | OMJHL | Hamilton | 63 | 9 | 13 | 22 | - | - | - | 117 |
| 1975-76 | M-Cup | Hamilton | - | - | - | - | - | - | - | - |
| 1976-77 | OMJHL | St. Catharines | 57 | 32 | 34 | 66 | - | - | - | 343 |
| 1977-78 | OMJHL | Hamilton | 59 | 28 | 22 | 50 | - | - | - | 185 |
| 1978-79 | NHL | Boston Bruins | 71 | 16 | 7 | 23 | 7 | 80 | 20.0% | 125 |
| 1978-79 | AHL | Rochester | 4 | 4 | 2 | 6 | - | - | - | 40 |
| 1979-80 | NHL | Boston Bruins | 77 | 23 | 16 | 39 | 20 | 155 | 14.8% | 170 |
| 1980-81 | NHL | Boston Bruins | 18 | 0 | 3 | 3 | 2 | 11 | 0.0% | 42 |
| 1980-81 | NHL | Chicago Blackhawks | 41 | 13 | 9 | 22 | -4 | 111 | 11.7% | 145 |
| 1980-81 | AHL | Springfield | 8 | 3 | 5 | 8 | - | - | - | 21 |
| 1981-82 | NHL | Chicago Blackhawks | 80 | 44 | 31 | 75 | -17 | 215 | 20.5% | 303 |
| 1982-83 | NHL | Chicago Blackhawks | 80 | 54 | 32 | 86 | 35 | 240 | 22.5% | 180 |
| 1983-84 | NHL | Chicago Blackhawks | 14 | 4 | 4 | 8 | 7 | 35 | 11.4% | 77 |
| 1984-85 | NHL | Chicago Blackhawks | 51 | 15 | 11 | 26 | 0 | 109 | 13.8% | 193 |
| 1985-86 | NHL | Chicago Blackhawks | 80 | 40 | 36 | 76 | 10 | 210 | 19.1% | 201 |
| 1986-87 | NHL | Chicago Blackhawks | 77 | 29 | 30 | 59 | -17 | 177 | 16.4% | 196 |
| 1987-88 | NHL | Toronto Maple Leafs | 74 | 15 | 27 | 42 | -21 | 149 | 10.1% | 221 |
| 1988-89 | NHL | Toronto Maple Leafs | 40 | 5 | 10 | 15 | -13 | 52 | 9.6% | 71 |
| 1988-89 | NHL | Philadelphia Flyers | 20 | 1 | 0 | 1 | -7 | 15 | 6.7% | 40 |
| 1989-90 | NHL | Chicago Blackhawks | 43 | 14 | 7 | 21 | 5 | 68 | 20.6% | 131 |
| 1994-95 | IHL | Chicago | 59 | 13 | 20 | 33 | - | - | - | 195 |
| 1995-96 | IHL | Chicago | 47 | 8 | 8 | 16 | - | - | - | 108 |
| NHL Totals | – | 766 | 273 | 223 | 496 | 7 | 1627 | 16.8% | 2095 | |
| AHL Totals | – | 12 | 7 | 7 | 14 | - | - | - | 61 | |
| 1975-76 | OMJHL | Hamilton | 12 | 0 | 2 | 2 | - | - | - | 24 |
| 1975-76 | M-Cup | Hamilton | 3 | 0 | 0 | 0 | - | - | - | 5 |
| 1976-77 | OMJHL | St. Catharines | 14 | 4 | 3 | 7 | - | - | - | 46 |
| 1977-78 | OMJHL | Hamilton | 20 | 8 | 11 | 19 | - | - | - | 71 |
| 1978-79 | NHL | Boston Bruins | 4 | 0 | 0 | 0 | 0 | 0 | - | 4 |
| 1979-80 | NHL | Boston Bruins | 10 | 0 | 3 | 3 | 5 | 19 | 0.0% | 65 |
| 1980-81 | NHL | Chicago Blackhawks | 3 | 4 | 0 | 4 | 2 | 9 | 44.4% | 14 |
| 1981-82 | NHL | Chicago Blackhawks | 15 | 2 | 5 | 7 | 0 | 33 | 6.1% | 61 |
| 1982-83 | NHL | Chicago Blackhawks | 12 | 4 | 7 | 11 | 3 | 18 | 22.2% | 66 |
| 1983-84 | NHL | Chicago Blackhawks | 5 | 3 | 4 | 7 | 1 | 12 | 25.0% | 28 |
| 1984-85 | NHL | Chicago Blackhawks | 15 | 7 | 9 | 16 | -2 | 33 | 21.2% | 42 |
| 1985-86 | NHL | Chicago Blackhawks | 2 | 0 | 2 | 2 | -1 | 2 | 0.0% | 26 |
| 1986-87 | NHL | Chicago Blackhawks | 4 | 0 | 0 | 0 | -2 | 5 | 0.0% | 21 |
| 1987-88 | NHL | Toronto Maple Leafs | 6 | 1 | 0 | 1 | -6 | 5 | 20.0% | 16 |
| 1988-89 | NHL | Philadelphia Flyers | 14 | 0 | 4 | 4 | 2 | 8 | 0.0% | 31 |
| 1989-90 | NHL | Chicago Blackhawks | 12 | 0 | 0 | 0 | -2 | 6 | 0.0% | 8 |
| 1994-95 | IHL | Chicago | 3 | 1 | 1 | 2 | - | - | - | 19 |
| 1995-96 | IHL | Chicago | 9 | 1 | 0 | 4 | - | - | - | 4 |
| NHL Totals | – | 102 | 21 | 34 | 55 | 0 | 150 | 14.0% | 382 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Playoffs | @ EDM | May 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| Playoffs | vs EDM | May 8 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 0 | - |
| Playoffs | @ EDM | May 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | - |
| Playoffs | @ STL | Apr 28 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 0 | - |
| Playoffs | vs STL | Apr 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | - |