Complex sentence: In 1987, Sinnott moved down a division to Bradford City and in his first season he helped the Bantams qualify for the Second Division playoffs, but their promotion bid failed and two years later they were relegated.
Split into simpler sentences: In 1987, Sinnott moved down a division to Bradford City. In his first season he helped "the Bantams" qualify for the Second Division playoffs, but their promotion bid failed and two years later they were relegated.