Complex sentence: In 2006 the 16-year-old arrived in Argentina after signing for Argentinos Juniors and, the following year, he joined another team in the country, Club Atlético Vélez Sársfield.
Split into simpler sentences: In 2006 the 16-year old he arrived in Argentina, signing for Argentinos Juniors. The following year he joined another team in the country, Club Atlético Vélez Sársfield.