BBC Sport - Sunderland 0-3 Everton: Ronald Koeman demands improvement despite win

Koeman demands improvement after 3-0 win

Ronald Koeman praises Everton's second-half display after Romelu Lukaku scored three times to secure a 3-0 victory at Sunderland in the Premier League.

MATCH REPORT: Sunderland 0-3 Everton