
| 1972-73 | Minor-ON | Sarnia | - | - | - | - | - | - | - | - |
| 1973-74 | OHA-B | Sarnia | 40 | 40 | 55 | 95 | - | - | - | - |
| 1974-75 | OMJHL | Kingston | 52 | 27 | 48 | 75 | - | - | - | 36 |
| 1975-76 | OMJHL | Kingston | 65 | 24 | 56 | 80 | - | - | - | 20 |
| 1976-77 | OMJHL | Kingston | 66 | 58 | 77 | 135 | - | - | - | 30 |
| 1977-78 | OMJHL | Kingston | 55 | 43 | 49 | 92 | - | - | - | 19 |
| 1978-79 | NHL | Buffalo Sabres | 52 | 8 | 14 | 22 | -1 | 67 | 11.9% | 10 |
| 1978-79 | AHL | Hershey | 24 | 21 | 18 | 39 | - | - | - | 4 |
| 1979-80 | NHL | Buffalo Sabres | 80 | 23 | 29 | 52 | 40 | 140 | 16.4% | 24 |
| 1980-81 | NHL | Buffalo Sabres | 80 | 37 | 32 | 69 | 11 | 236 | 15.7% | 24 |
| 1981-82 | NHL | Buffalo Sabres | 73 | 23 | 29 | 52 | -12 | 187 | 12.3% | 41 |
| 1982-83 | NHL | Buffalo Sabres | 78 | 36 | 37 | 73 | 1 | 178 | 20.2% | 18 |
| 1983-84 | NHL | Quebec Nordiques | 75 | 24 | 27 | 51 | 2 | 169 | 14.2% | 23 |
| 1984-85 | NHL | Quebec Nordiques | 30 | 12 | 9 | 21 | 3 | 87 | 13.8% | 12 |
| 1984-85 | NHL | Minnesota North Stars | 27 | 11 | 13 | 24 | 9 | 81 | 13.6% | 4 |
| 1985-86 | NHL | Minnesota North Stars | 70 | 15 | 25 | 40 | -6 | 141 | 10.6% | 48 |
| 1986-87 | NHL | Minnesota North Stars | 11 | 2 | 3 | 5 | 2 | 15 | 13.3% | 16 |
| 1986-87 | NHL | New York Rangers | 64 | 29 | 17 | 46 | 3 | 166 | 17.5% | 56 |
| 1987-88 | NHL | St. Louis Blues | 80 | 40 | 38 | 78 | 10 | 241 | 16.6% | 82 |
| 1988-89 | NHL | St. Louis Blues | 71 | 25 | 17 | 42 | -1 | 154 | 16.2% | 58 |
| 1989-90 | NHL | Detroit Red Wings | 14 | 2 | 1 | 3 | 2 | 18 | 11.1% | 8 |
| 1989-90 | NHL | Quebec Nordiques | 48 | 16 | 11 | 27 | -31 | 89 | 18.0% | 45 |
| 1990-91 | NHL | Quebec Nordiques | 50 | 17 | 16 | 33 | -25 | 111 | 15.3% | 44 |
| 1990-91 | NHL | Chicago Blackhawks | 9 | 0 | 1 | 1 | -2 | 10 | 0.0% | 4 |
| 1991-92 | Alpenliga | Varese | 17 | 18 | 14 | 32 | - | - | - | 55 |
| 1991-92 | Italy | Varese | 16 | 15 | 13 | 28 | - | - | - | 70 |
| 1992-93 | IHL | San Diego | 23 | 8 | 5 | 13 | - | - | - | 38 |
| NHL Totals | – | 912 | 320 | 319 | 639 | 5 | 2090 | 15.3% | 517 | |
| AHL Totals | – | 24 | 21 | 18 | 39 | - | - | - | 4 | |
| 1974-75 | OMJHL | Kingston | 8 | 5 | 7 | 12 | - | - | - | 0 |
| 1975-76 | OMJHL | Kingston | 7 | 5 | 6 | 11 | - | - | - | 2 |
| 1976-77 | OMJHL | Kingston | 14 | 13 | 10 | 23 | - | - | - | 14 |
| 1977-78 | OMJHL | Kingston | 5 | 3 | 3 | 6 | - | - | - | 0 |
| 1978-79 | NHL | Buffalo Sabres | 2 | 0 | 1 | 1 | -1 | 5 | 0.0% | 0 |
| 1978-79 | AHL | Hershey | 1 | 0 | 0 | 0 | - | - | - | 0 |
| 1979-80 | NHL | Buffalo Sabres | 14 | 3 | 4 | 7 | 2 | 37 | 8.1% | 2 |
| 1980-81 | NHL | Buffalo Sabres | 8 | 5 | 3 | 8 | -5 | 43 | 11.6% | 2 |
| 1981-82 | NHL | Buffalo Sabres | 4 | 0 | 0 | 0 | -5 | 3 | 0.0% | 2 |
| 1982-83 | NHL | Buffalo Sabres | 10 | 3 | 1 | 4 | -3 | 20 | 15.0% | 4 |
| 1983-84 | NHL | Quebec Nordiques | 7 | 0 | 0 | 0 | -5 | 9 | 0.0% | 0 |
| 1984-85 | NHL | Minnesota North Stars | 9 | 8 | 6 | 14 | 3 | 38 | 21.1% | 0 |
| 1985-86 | NHL | Minnesota North Stars | 5 | 2 | 1 | 3 | -1 | 12 | 16.7% | 22 |
| 1986-87 | NHL | New York Rangers | 6 | 0 | 0 | 0 | -3 | 4 | 0.0% | 12 |
| 1987-88 | NHL | St. Louis Blues | 9 | 3 | 6 | 9 | -3 | 32 | 9.4% | 8 |
| 1988-89 | NHL | St. Louis Blues | 3 | 0 | 1 | 1 | 1 | 4 | 0.0% | 0 |
| 1990-91 | NHL | Chicago Blackhawks | 2 | 0 | 0 | 0 | 0 | 2 | 0.0% | 4 |
| 1991-92 | Italy | Varese | 6 | 8 | 2 | 10 | - | - | - | 12 |
| 1992-93 | IHL | San Diego | 3 | 0 | 1 | 1 | - | - | - | 4 |
| NHL Totals | – | 79 | 24 | 23 | 47 | -20 | 209 | 11.5% | 56 | |
| AHL Totals | – | 1 | 0 | 0 | 0 | - | - | - | 0 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Playoffs | @ MNS | Apr 10 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | - |
| Playoffs | vs MNS | Apr 6 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | - |
| Regular | @ STL | Feb 26 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 3 | 0 | - |
| Regular | vs STL | Feb 24 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 1 | 0 | - |
| Regular | @ PHI | Feb 18 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | - |