Complex sentence: Born in Elgoibar, Gipuzkoa, Etxeberria began his career with Real Sociedad, making his top level debut at only 17, in a 2--0 home win against RCD Español, on January 29,1995.
Split into simpler sentences: Born in Elgoibar, Gipuzkoa, Etxeberria began his career with Real Sociedad. In the 1994--95 season he made his top level debut at only 17, in a 2--0 home win against RCD Español, on January 29,1995.