Complex sentence: The 2014--15 season was the 88th season in Associazione Calcio Firenze Fiorentina's history and their 77th season in Serie A. The club competed in Serie A, finishing fourth, the Coppa Italia, and in the UEFA Europa League.
Split into simpler sentences: The 2014--15 season is the 88th season in Fiorentina's history and their 77th season in the top-flight of Italian football. This season the club will be competing in Serie A, the Coppa Italia, and in the UEFA Europa League.