1918 Argentine Primera División  The 1918 Argentine Primera División was the 27th season of top-flight football in Argentina. The season began on April 7 and ended on November 17. Racing Club de Avellaneda won its 6th. consecutive league title, remaining unbeaten at the end of the season. Defensores de Belgrano debuted in Primera after promoting last year, while Argentino de Quilmes and Ferro Carril Oeste (which was also expelled from the Association) were relegated.