 Borghi started his career as an attacking midfielder for Argentinos Juniors in the early 1980s.He was considered a bright young star for Argentina and tipped by many to be on a level with Diego Maradona.Borghi's exceptional performance in the 1985 Intercontinental Cup final (Argentinos Juniors lost to Juventus on penalties) drew the attention of A.C. Milan president Silvio Berlusconi, and Borghi was signed for the club in 1987.