Drafted by the Montreal Canadiens sixth overall in the 1970 NHL Amateur Draft, Lefley started his National Hockey League career with Montreal in 1971. He was traded from the Canadiens to the St. Louis Blues for Don Awrey on November 28, 1974.
Drafted by the Montreal Canadiens as their sixth choice in the 1970 NHL Amateur Draft, Lefley began his National Hockey League career with Montreal in 1971. He was exchanged from the Canadiens to the St. Louis Blues for Don Awrey on November 28, 1974.