Michael Vaughan said Alastair Cook 's movement had improved since last year . The England captain has been a key figure in the team's success this summer and is now one of only two players to have scored more than 1,000 runs for his country - with Ian Bell also on Cook has struggled with the bat over the last year .
Michael Vaughan said Alastair Cook 's movement had improved since last year . Cook was caught for 13 moments after Vaughan 's praise . Cook has struggled with the bat over the last year .