He then was traded to the Los Angeles Kings, where he played until 1979, and ended his career in 1982 with the Calgary Flames.
His best season was with the Kings in 1974-1975, where he was recognized for his two-way style of hockey and was named to the All-Star team.
After retiring as a player, Murdoch spent a decade coaching for various teams, including the Calgary Flames, Chicago Blackhawks, Winnipeg Jets, and San Jose Sharks. He won the Jack Adams award in his first season coaching the Winnipeg Jets, after the team improved their points total by 21 from the previous season.