Complex sentence: During this period the club finished in the top nine in every season until 1960, but thereafter saw a gradual decline, although they reached the first round of the FA Cup again in 1973--74, losing 6--1 to Blackburn Rovers in a replay.
Split into simpler sentences: During this period the club finished in the top nine in every season until 1960, but thereafter saw a gradual decline. Although they reached the first round of the FA Cup again in 1973--74, losing 6--1 to Blackburn Rovers in a replay.