
Markus Mattsson played 4 NHL SEASONS from 1979-80 to 1983-84 for the (1979), Stars, and Kings. Across his NHL career, Mattsson recorded 21 WINS and 6 SHUTOUTS with a career .867 SV%.
| 1974-75 | Finland | Ilves | 15 | - | - | - | - | 47 | - | - | 0 |
| 1975-76 | Finland | Ilves | 16 | - | - | - | - | 63 | - | - | 2 |
| 1977-78 | CHL | Tulsa | 2 | - | - | 1 | 1 | 6 | - | - | 0 |
| 1977-78 | WHA | Québec Nordiques | 6 | - | - | 1 | 3 | 30 | - | - | 0 |
| 1977-78 | WHA | Winnipeg Jets | 10 | - | - | 4 | 5 | 30 | - | - | 0 |
| 1978-79 | WHA | Winnipeg Jets | 52 | - | - | 25 | 21 | 181 | - | - | 0 |
| 1979-80 | NHL | Winnipeg Jets (1979) | 21 | 0 | 2 | 5 | 11 | 65 | 576 | 0.887 | 2 |
| 1979-80 | CHL | Tulsa | 20 | - | - | 10 | 7 | 56 | - | - | 2 |
| 1980-81 | NHL | Winnipeg Jets (1979) | 31 | 1 | 2 | 3 | 21 | 128 | 957 | 0.866 | 1 |
| 1980-81 | CHL | Tulsa | 5 | - | - | 3 | 2 | 10 | - | - | 1 |
| 1981-82 | CHL | Tulsa | 50 | - | - | 26 | 23 | 195 | - | - | 0 |
| 1982-83 | NHL | Minnesota North Stars | 2 | 0 | 0 | 1 | 1 | 6 | 70 | 0.914 | 1 |
| 1982-83 | NHL | Los Angeles Kings | 19 | 2 | 2 | 5 | 5 | 65 | 453 | 0.857 | 1 |
| 1982-83 | CHL | Birmingham | 28 | - | - | 17 | 10 | 89 | - | - | 1 |
| 1983-84 | NHL | Los Angeles Kings | 19 | 0 | 0 | 7 | 8 | 79 | 529 | 0.851 | 1 |
| 1983-84 | AHL | New Haven | 31 | - | - | 16 | 10 | 110 | - | - | 0 |
| 1984-85 | Finland | Tappara | 26 | - | - | - | - | 101 | - | - | 0 |
| 1985-86 | Finland | Tappara | 33 | - | - | - | - | 107 | - | - | - |
| 1986-87 | Finland | Tappara | 33 | - | - | 19 | 11 | 98 | - | - | 3 |
| 1981-82 | CHL | Tulsa | 1 | - | - | 0 | 1 | 7 | - | 0 |
| 1985-86 | Finland | Tappara | 8 | - | - | - | - | 17 | - | - |
| 1986-87 | Finland | Tappara | 9 | - | - | 7 | 2 | 27 | - | 1 |
| Season | Opponent | Date | DEC | GS | GA | SA | SV% | PIM | TOI |
|---|---|---|---|---|---|---|---|---|---|
| Regular | vs EDM | Mar 31 | L | 1 | 4 | 27 | .852 | 0 | 59:36 |
| Regular | vs DET | Mar 24 | W | 1 | 7 | 29 | .759 | 0 | 60:00 |
| Regular | @ EDM | Mar 17 | L | 1 | 9 | 32 | .719 | 0 | 60:00 |
| Regular | vs PIT | Mar 14 | W | 1 | 6 | 27 | .778 | 0 | 60:00 |
| Regular | vs CHI | Mar 11 | W | 1 | 3 | 29 | .897 | 0 | 60:00 |