Complex sentence: Although Juventus were successful in Italy, European success eluded them until they won the UEFA Cup 1976-77, this was achieved against Spanish opposition in the form of Athletic Bilbao with goals from Marco Tardelli and Bettega.
Split into simpler sentences: Although Juventus were successful in Italy, European success eluded them until they won the UEFA Cup 1976-77. This was achieved against Spanish opposition in the form of Athletic Bilbao with goals from Marco Tardelli and Bettega.