The Domestic Treble was completed by Cruzeiro Esporte Clube.
 It won the Campeonato Brasileiro Srie A for the first time in 1966, after defeating Santos' Os Santsticos in the final series
 In the Copa Libertadores da America, Cruzeiro was knocked out, in the quarter finals, by future champion San Lorenzo de Almagro, being the last remaining Brazilian team in the competition

