Complex sentence: They won promotion again in 1992, gaining a place in the new FA Premier League, but were relegated the following season and Slaven finally left the club at the end of that campaign, having score 119 league goals for Boro in eight years.
Split into simpler sentences: They won promotion again in 1992, gaining a place in the new FA Premier League. However, they were relegated the following season and Slaven finally left the club at the end of that campaign, having scored 119 league goals for Boro in eight years.