Complex sentence: His successor Neil Thompson was sacked after one year in charge, in which York struggled near the foot of Division Three and new manager Terry Dolan guided York to safety, but could only finish 20th in the table.
Split into simpler sentences: His successor Neil Thompson was sacked after one year in charge, in which York struggled near the foot of Division Three. Thompson's successor Terry Dolan guided York to safety, but could only finish 20th in the table.