Denis Herron is traded to the Kansas City Scouts with Jean-Guy Lagace. In return, the Pittsburgh Penguins acquired , Michel Plasse.
August 30, 1979
Denis Herron is traded to the Montreal Canadiens with 2nd round draft pick in 1982 (#31: Jocelyn Gauvreau). In return, the Pittsburgh Penguins acquired , Robert Holland and Pat Hughes.
September 15, 1982
Denis Herron is traded to the Pittsburgh Penguins. In return, the Montreal Canadiens acquired , 3rd round draft pick in 1985 (#44: Nelson Emerson).