Task: Sentence Expansion
Input (English): The 2014 – 15 UEFA Champions League was the 23rd UEFA Champions League , and the 60th season of a European club tournament being played .
Output (English): The 2014 – 15 UEFA Champions League was the 60th season of Europe 's premier club football tournament organised by UEFA , and the 23rd season since it was renamed from the European Champion Clubs ' Cup to the UEFA Champions League .