Luke Shaw could already be the best left back in the world, according to Mauricio Pochettino.

Shaw has been linked with most of the top clubs over the last few months, the latest being Real Madrid.

Pochettino said he liked the speculation over his teenage star and that praised his current ability and his potential.

“He can play at Real Madrid or the World starting XI. He really has the quality to do so,” said Pochettino.

When asked if he was already one of the best left back in the world he added: “I am not sure if he is one already. I think so.

“I am not sure if he is already the best one in the world.”