What milestone did Villas-Boas achieve with Zenit in European competition?
Reached semi-finals
Won Europa League
First knockout round
Quarter-finals
Answer
Quarter-finals: Villas-Boas led Zenit to the quarter-finals of the UEFA Europa League in the 2014-15 season. This marked the club's best-ever performance in European competition.
Mastermind on the Sidelines: The André Villas-Boas Challenge