Most Expensive Deadline Day Transfers in Premier League History 10
10. David Luiz to Chelsea (£21.3m)
The Brazilian centre back was Chelsea’s one of the better signings on the deadline day of the 2011 January transfer window. The deal saw Nemanja Matic go to Benfica from Chelsea. In his 4 seasons at Chelsea , Luiz won the FA Cup, the UEFA Champions League and the UEFA Europe league.