Aston Villa and Newcastle United shared the spoils in an entertaining goalless Premier League draw at Villa Park. Diego Costa was again on target for his new club as Chelsea eventually overcame a stubborn Leicester to maintain their 100% start to the Premier League. West Ham United added to Crystal Palace's misery with a comprehensive Premier League win at Selhurst Park. Southampton claimed their first Premier League point under Ronald Koeman but were left frustrated as West Brom held them to a goalless draw at St Mary's.