 He scored three goals in the competition before his club was eliminated by Guaraní in the quarter-finals.Fernández scored both goals in a 2–0 victory for Racing in his debut in the 2014–15 Copa Argentina against Independiente de Neuquén.After the 12th round of the 2015 Argentine Primera División Fernández tested positive for prohibited controlled substances and was subsequently prohibited from playing professional football until 9 January 2017.