Chelsea doing well but we can improve - Sarri

Maurizio Sarri says he is happy with his players but admits they can still improve as Chelsea make it four wins from four Premier League games after a 2-0 win over Bournemouth.

MATCH REPORT: Chelsea 2-0 Bournemouth

Watch highlights of Saturday's Premier League matches on Match of the Day, Saturday 1 September from 22:20 BST on BBC One and the BBC Sport website.

Premier League manager reaction