Former Chelsea and France defender Frank Lebouef wants to see more from Manchester United striker Anthony Martial.
The Frenchman had another poor game for the Red Devils in a 1-0 win over West Bromwich Albion.
His movement was sub par and his finishing was poor, resulting in another game without scoring for the Frenchman.
Martial missed the easiest chance of the game, and it was surprisingly his first shot on target in the Premier League after nearly five hours of being on the field.
"I'm worried about Anthony Martial," Lebouef told ESPN.
"He is a fantastic player and when he's confident, he is OK.
"He played with the international team and missed three chances against Portugal.
"He missed another chance today.
"For a world-class player, it was an easy chance.
"He has to be a killer. I'm not pleased with any of those players. What I saw was a poor performance."
