Nemanja Matic says Manchester United must develop a ruthless streak after victory over West Brom.

Matic believes the club needs to develop a 'killer instinct' in order to win titles.

The midfielder shared his views with MUTV after their 1-0 win against West Brom yesterday.

He said: “When we score first we have to go on and kill the game as soon as possible, especially in the Premier League.

"We have to improve on that."