Complex sentence: Twenty years after the disaster, Liverpool and Juventus were drawn against each other in the quarterfinals of the 2004--05 UEFA Champions League, the first time the two clubs had faced each other since the disaster.
Split into simpler sentences: Twenty years after the disaster, Liverpool and Juventus were drawn against each other in the quarterfinals of the 2004--05 UEFA Champions League. It was the first time the two clubs had faced each other since the disaster.