Díaz started his career in the Argentine 2nd division with Rosario Central in 1985, after a short spell with Los Andes he returned to Rosario to help the club win the 1986-1987 Primera Division Argentina.
Díaz began his professional journey in the Argentine 2nd division with Rosario Central in 1985. Following a brief spell at Los Andes, he returned to Rosario to support the club's victory in the 1986-1987 Primera Division Argentina.