The Trio Grande was a line of professional ice hockey forwards who played together for the New York Islanders from the late 1970s through the early 1980s.
The Islanders had made the playoffs the three seasons prior to the formation of the Trio Grande but had not gotten past the Semifinals.
In 1977–78, the Islanders won their first Patrick Division championship but lost in seven games to the Toronto Maple Leafs the Quarterfinals.
In 1978–79, the Islanders repeated as Patrick Division champions, but lost in the Semifinals in six games to the New York Rangers.
[5] The Islanders won their first of four consecutive Stanley Cups in 1979–80, with Trottier winning the Conn Smythe Trophy as MVP of the playoffs in 1980 and Bossy winning the Conn Smythe Trophy in 1982, scoring 7 goals in the 4 game series against the Vancouver Canucks.
Following the 1985–86 season, during which his scoring output decreased significantly, Gillies was waived by the Islanders and acquired by the Buffalo Sabres.
Trottier would remain with the Islanders until being released after the 1989–90 NHL season, before signing with the Pittsburgh Penguins, where he would win two more Stanley Cup championships in 1991 and 1992.