Manchester United goalkeeper David De Gea maintains he must adapt quickly to Premier League life in order to fill the void left by Edwin van der Sar.
The 20-year-old completed his move from Atletico Madrid this summer but got off to a nervous start as Manchester City's second goal, a long-range strike by Edin Dzeko, was the result of an error on the part of the Spaniard.
Difficult task to succeed Van der Sar, just saying..