German champions Bayern Munich on Tuesday signed Argentine playmaker Jose Ernesto Sosa on a four-year deal from first division Estudiantes La Plata.

The contract for the 21-year-old, who received his first call-up this week for a training camp with the Argentinian national side, will begin next season and take him up to 2011.

The deal is reported to be worth in the region of 10 million euros (13m dollars) with the player earning one million euro a year.

Sosa has scored ten goals in 125 matches with Argentine outfit Estudiantes.