He signed for Blackburn from Portimonense in the 2012 summer transfer window after unsuccessful trials at CSKA Sofia. Nunes was handed the #7 shirt in his first season. Fabio Nunes also spend part of 2011–2012 season in the Italian Serie A side Parma. On 22 August 2012, Nunes made his first team debut for Blackburn Rovers, starting the game against Hull City. Nunes made just one substitute appearance during the 2013/14 season for Blackburn coming on as a substitute in the 5-2 home win against Barnsley. On 24 January 2014 it was announced that he'd left the club on a free transfter to join Serie B side Latina.