 Two years later he transferred to San Lorenzo de Almagro, scoring 34 goals in his first two seasons combined, that being the first of the four spells with the club in an 18-year career.In 1990 Acosta had his first abroad experience, with France's Toulouse FC.After a poor second season he left in December 1991, having played in seven matches with just one goal, with the club eventually ranking 16th – he returned to San Lorenzo, where he scored a further 19 league goals, which earned him a transfer to country giants Boca Juniors.