The nickname "Red Devils" go a long way back in history, and traces its origin to a different sport. A rugby league team called Salford earned the nickname Red Devils, because they were very ruthless, which made a French journalist name them "Les Diables Rouges". Manchester United came from Newton Heath, and they're nickname back then was "The Heathens", they were the first team ever to play on Sunday. Early in the 1960s, sir Matt Busby gave the name Red Devils to Manchester United. The rest as they say is history.
Most football fans see the nickname "The Red Devils" as synonymous to Manchester United. Well, there are more football teams that bear that nickname and we will see them. 1. Manchester United The term "The Red Devils" was adopted by Sir Matt Busby in 1958 after the Munich Air Disaster.