Complex sentence: But after two months manager Giorgos was sacked and he was appointed as new manager on 15 November 2011 and would manage to the club until the end of the 2010--11 season.
Split into simpler sentences: But after two months manager Giorgos was sacked and he was appointed as new manager on 15 November 2011. He would manage to the club until the end of the 2010--11 season.