
| 1965-66 | NOJHA | Soo Greyhounds | - | - | - | - | - | - | - | - |
| 1966-67 | OHA-Jr. | St. Catharines | 43 | 3 | 10 | 13 | - | - | - | 57 |
| 1967-68 | OHA-Jr. | St. Catharines | 54 | 10 | 34 | 44 | - | - | - | 244 |
| 1968-69 | IHL | Port Huron | 71 | 18 | 46 | 64 | - | - | - | 284 |
| 1969-70 | WHL | Portland | 65 | 9 | 12 | 21 | - | - | - | 169 |
| 1970-71 | NHL | Chicago Blackhawks | 46 | 4 | 14 | 18 | 15 | 97 | 4.1% | 152 |
| 1970-71 | WHL | Portland | 20 | 3 | 5 | 8 | - | - | - | 78 |
| 1971-72 | NHL | Chicago Blackhawks | 73 | 9 | 5 | 14 | 1 | 97 | 9.3% | 95 |
| 1972-73 | NHL | Chicago Blackhawks | 77 | 12 | 15 | 27 | 4 | 127 | 9.5% | 94 |
| 1973-74 | NHL | Vancouver Canucks | 31 | 4 | 7 | 11 | -18 | 75 | 5.3% | 64 |
| 1973-74 | NHL | Buffalo Sabres | 45 | 6 | 12 | 18 | -23 | 106 | 5.7% | 73 |
| 1974-75 | NHL | Buffalo Sabres | 79 | 12 | 44 | 56 | 41 | 218 | 5.5% | 184 |
| 1975-76 | NHL | Buffalo Sabres | 65 | 13 | 28 | 41 | 18 | 146 | 8.9% | 85 |
| 1976-77 | NHL | Buffalo Sabres | 77 | 14 | 33 | 47 | 22 | 185 | 7.6% | 120 |
| 1977-78 | NHL | Buffalo Sabres | 77 | 7 | 34 | 41 | 16 | 200 | 3.5% | 119 |
| 1978-79 | NHL | Buffalo Sabres | 78 | 11 | 40 | 51 | 8 | 204 | 5.4% | 104 |
| 1979-80 | NHL | Buffalo Sabres | 43 | 1 | 10 | 11 | 0 | 55 | 1.8% | 74 |
| 1979-80 | NHL | Los Angeles Kings | 11 | 1 | 2 | 3 | -3 | 30 | 3.3% | 34 |
| 1980-81 | NHL | Los Angeles Kings | 78 | 9 | 43 | 52 | 10 | 120 | 7.5% | 139 |
| 1981-82 | NHL | Los Angeles Kings | 50 | 5 | 13 | 18 | -19 | 71 | 7.0% | 91 |
| 1982-83 | NHL | Los Angeles Kings | 72 | 3 | 26 | 29 | -6 | 132 | 2.3% | 90 |
| 1983-84 | NHL | Buffalo Sabres | 48 | 2 | 9 | 11 | 4 | 41 | 4.9% | 82 |
| 1983-84 | AHL | Rochester | 4 | 0 | 4 | 4 | - | - | - | 2 |
| 1984-85 | NHL | Buffalo Sabres | 25 | 1 | 6 | 7 | -8 | 30 | 3.3% | 29 |
| 1984-85 | AHL | Rochester | 3 | 1 | 2 | 3 | - | - | - | 6 |
| NHL Totals | – | 975 | 114 | 341 | 455 | 62 | 1934 | 5.9% | 1629 | |
| AHL Totals | – | 7 | 1 | 6 | 7 | - | - | - | 8 | |
| Juniors Totals | – | 85 | 12 | 17 | 29 | - | - | - | 247 | |
| 1965-66 | NOJHL | Soo Greyhounds | 12 | 2 | 12 | 14 | - | - | - | 54 |
| 1966-67 | OHA-Jr. | St. Catharines | 4 | 0 | 1 | 1 | - | - | - | 12 |
| 1967-68 | OHA-Jr. | St. Catharines | 5 | 0 | 3 | 3 | - | - | - | 26 |
| 1970-71 | NHL | Chicago Blackhawks | 7 | 1 | 0 | 1 | 0 | 4 | 25.0% | 20 |
| 1971-72 | NHL | Chicago Blackhawks | 8 | 0 | 1 | 1 | -2 | 14 | 0.0% | 20 |
| 1972-73 | NHL | Chicago Blackhawks | 15 | 0 | 0 | 0 | -3 | 11 | 0.0% | 22 |
| 1974-75 | NHL | Buffalo Sabres | 16 | 3 | 2 | 5 | -5 | 31 | 9.7% | 32 |
| 1975-76 | NHL | Buffalo Sabres | 9 | 1 | 3 | 4 | -5 | 30 | 3.3% | 12 |
| 1976-77 | NHL | Buffalo Sabres | 6 | 2 | 4 | 6 | -4 | 20 | 10.0% | 8 |
| 1977-78 | NHL | Buffalo Sabres | 8 | 0 | 5 | 5 | 2 | 13 | 0.0% | 6 |
| 1978-79 | NHL | Buffalo Sabres | 3 | 1 | 0 | 1 | -1 | 7 | 14.3% | 4 |
| 1979-80 | NHL | Los Angeles Kings | 3 | 0 | 1 | 1 | -1 | 8 | 0.0% | 11 |
| 1980-81 | NHL | Los Angeles Kings | 4 | 0 | 0 | 0 | -5 | 1 | 0.0% | 33 |
| 1981-82 | NHL | Los Angeles Kings | 10 | 0 | 2 | 2 | -4 | 17 | 0.0% | 26 |
| 1983-84 | NHL | Buffalo Sabres | 3 | 0 | 0 | 0 | -1 | 2 | 0.0% | 5 |
| 1984-85 | NHL | Buffalo Sabres | 1 | 0 | 0 | 0 | -1 | 0 | - | 2 |
| NHL Totals | – | 93 | 8 | 18 | 26 | -30 | 158 | 5.1% | 201 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Playoffs | @ QUE | Apr 10 | 0 | 0 | 0 | -1 | 2 | 0 | 0 | 0 | 0 | - |
| Regular | vs NYR | Mar 27 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | - |
| Regular | @ QUE | Mar 26 | 0 | 0 | 0 | -2 | 2 | 0 | 0 | 0 | 0 | - |
| Regular | vs VAN | Mar 20 | 0 | 1 | 1 | -1 | 0 | 0 | 0 | 2 | 0 | - |
| Regular | @ WIN | Mar 17 | 0 | 1 | 1 | -1 | 0 | 0 | 0 | 0 | 0 | - |