 The club's ruthlessly successful period later earned the club the nickname "The Machine".American journalist and author Sam Walker included the Machine team in his book "The Captain Class", which listed some the author's greatest teams in the history of world sport.The Collingwood team of 1927–30 not only won four straight premierships, but did so with a winning percentage of around 86% across the four seasons, and an average winning margin of about five goals.