Complex sentence: He made his debut for the first team on 22 September 2007 in a 1--2 away loss against Real Sociedad, and played six more second division matches with the main squad in that season.
Split into simpler sentences: He made his debut for the first team on 22 September 2007 a 1--2 away loss against Real Sociedad. He played six more second division matches with the main squad in that season.