 During the 2011–12 Eredivisie season, Vertonghen emerged as one of Ajax's best players, demonstrating his versatility to cover multiple positions after Ajax had let several regular players out on long-term loans.After an impressive season, including a performance for which he was singled out for praise against Manchester United in the UEFA Europa League Round of 16, he was named the 2011–12 Eredivisie Player of the Year.Named team captain by Frank de Boer, he led his Ajax to their second title in a row, scoring eight goals in 31 league games, highlighting his attacking strengths.