Career
Acquired by the Toronto Maple Leafs from the New York Rangers, Dupéré played four seasons with the Maple Leafs. After being left exposed for the 1974 National Hockey League Expansion Draft, he was claimed by the Washington Capitals. After being named the Capitals" first representative to the National Hockey League All-Star game, he was traded to the Saint Louis Blues.
The Blues would trade him to the Kansas City Scouts the next season, and he would remain with the organization, including after its move to Colorado, until his retirement in 1978.
He is related to professional wrestlers, Mad Dog Vachon, Butcher Vachon and Luna Vachon through a cousin connection.