The Kings won three championships in the 1970s. The 1972-73 team was coached by Mac MacLean and made it to the Centennial Cup Canadian Junior A Final, losing 4 games to 1 to the Portage la Prairie Terriers. Under coach Bryan Murray the Kings won back to back titles in 1977 and '78. The 1977 team also lost in the Centennial Cup Final to the Prince Albert Raiders. Murray was fired by the Lumber Kings after the 1978 season. Three years later he was starting a long NHL coaching/general manager career as coach of the Washington Capitals.