Complex sentence: After a year-and-a-half break, Lillo returned to take the reins of Real Zaragoza--the team had qualified for the UEFA Cup the previous season, and manager Txetxu Rojo moved to Athletic Bilbao.
Split into simpler sentences: After a year-and-a-half break, Lillo returned to take the reins of Real Zaragoza. The team had qualified for the UEFA Cup the previous season, and manager Txetxu Rojo moved to Athletic Bilbao.