 In 2003, he had a short spell with Beira-Mar in Portugal before returning to Argentina to play for Olimpo de Bahía Blanca between 2003 and 2005.After the relegation of Olimpo at the end of the 2004–2005 season, he was signed by Argentine giants River Plate.Galván did not succeed as expected in River and was transferred (on loan) to Estudiantes in 2006.