Mattiussi played 200 games for the Pittsburgh Penguins and Oakland/California Seals in the 1960s and 70s.

He was known as a hard-nosed grinder in the corners and spent much of his career in the AHL.

Following 200 NHL games Mattiussi had recorded 8 goals and 31 assists for 39 points.

[1] Upon retirement he went on to coach the Rochester Americans of the AHL in the 1975 and 1976 seasons.

This biographical article relating to a Canadian ice hockey defenceman born in the 1930s is a stub.