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| Season | Team/League | GP | G | A | PTS | PIM | +/- | PP | SH | GW | GT | Shots | Pct |
| 1976-77 | PET/OHA | 3 | 0 | 3 | 3 | 0 | - | - | - | - | - | - | - |
| 1977-78 | S.S/OHA | 64 | 70 | 112 | 182 | 14 | - | - | - | - | - | - | - |
| 1978-79 | EDM/WHA | 72 | 43 | 61 | 104 | 19 | - | - | - | - | - | - | - |
| 1978-79 | IND/WHA | 8 | 3 | 3 | 6 | 0 | - | - | - | - | - | - | - |
| 1979-80 | EDM/NHL | 79 | 51 | 86 | 137 | 21 | 15 | 13 | 1 | 6 | 4 | 284 | 17.96 |
| 1980-81 | EDM/NHL | 80 | 55 | 109 | 164 | 28 | 41 | 15 | 4 | 3 | 2 | 261 | 21.07 |
| 1981-82 | EDM/NHL | 80 | 92 | 120 | 212 | 26 | 81 | 18 | 6 | 12 | 4 | 369 | 24.93 |
| 1982-83 | EDM/NHL | 80 | 71 | 125 | 196 | 59 | 60 | 18 | 6 | 9 | 1 | 348 | 20.40 |
| 1983-84 | EDM/NHL | 74 | 87 | 118 | 205 | 39 | 76 | 20 | 12 | 11 | 0 | 324 | 26.85 |
| 1984-85 | EDM/NHL | 80 | 73 | 135 | 208 | 52 | 98 | 8 | 11 | 7 | 2 | 358 | 20.39 |
| 1985-86 | EDM/NHL | 80 | 52 | 163 | 215 | 46 | 71 | 11 | 3 | 6 | 1 | 350 | 14.86 |
| 1986-87 | EDM/NHL | 79 | 62 | 121 | 183 | 28 | 70 | 13 | 7 | 4 | 0 | 288 | 21.53 |
| 1987-88 | EDM/NHL | 64 | 40 | 109 | 149 | 24 | 39 | 9 | 5 | 3 | 0 | 211 | 18.96 |
| 1988-89 | LA/NHL | 78 | 54 | 114 | 168 | 26 | 15 | 11 | 5 | 5 | 2 | 303 | 17.82 |
| 1989-90 | LA/NHL | 73 | 40 | 102 | 142 | 42 | 8 | 10 | 4 | 4 | 1 | 236 | 16.95 |
| 1990-91 | LA/NHL | 78 | 41 | 122 | 163 | 16 | 30 | 8 | 0 | 5 | 2 | 212 | 19.34 |
| 1991-92 | LA/NHL | 74 | 31 | 90 | 121 | 34 | -12 | 12 | 2 | 2 | 1 | 215 | 14.42 |
| 1992-93 | LA/NHL | 45 | 16 | 49 | 65 | 6 | 6 | 0 | 2 | 1 | 0 | 141 | 11.35 |
| 1993-94 | LA/NHL | 81 | 38 | 92 | 130 | 20 | -25 | 14 | 4 | 0 | 1 | 233 | 16.31 |
| 1994-95 | LA/NHL | 48 | 11 | 37 | 48 | 6 | -20 | 3 | 0 | 1 | 0 | 142 | 7.75 |
| 1995-... | LA/NHL | 62 | 15 | 66 | 81 | 32 | -7 | 5 | 0 | 2 | 1 | 144 | 10.42 |
| ...-1996 | StL/NHL | 18 | 8 | 13 | 21 | 2 | -6 | 1 | 1 | 1 | 0 | 51 | 15.69 |
| 1996-97 | NYR/NHL | 82 | 25 | 72 | 97 | 28 | 12 | 6 | 0 | 2 | 1 | 286 | 8.74 |
| 1997-98 | NYR/NHL | 82 | 23 | 67 | 90 | 28 | -11 | 6 | 0 | 4 | 2 | 201 | 11.44 |
| 1998-99 | NYR/NHL | 70 | 9 | 53 | 62 | 14 | -23 | 3 | 0 | 3 | 1 | 132 | 6.92 |
| NHL TOTALS | 1,487 | 894 | 1963 | 2,857 | 577 | 503 | 204 | 73 | 91 | 24 | 5,089 | 17.57 | |
| Legend: |
| GP:Games Played / G:Goals / A:Assists / PTS:Points / PIM:Penalties in minutes +/-:Plus-minus / PP:Powerplay Goals / SH:Short-handed Goals GW:Game-winning Goals / GT:Game-tying Goals / Pct:Shot Pourcentage |