Complex sentence: On 2 October 2011 he scored his first hat-trick of the season against Espanyol in a 4--0 away win, following it 13 days later with another in a 4--1 win against Real Betis.
Split into simpler sentences: On 2 October 2011 he scored his first hat-trick of the season against Espanyol in a 4--0 away win. On 15 October 2011 he scored yet another hat-trick in a 4--1 win against Real Betis.