Benfica ace Axel Witsel is staying grounded about the growing interest in his transfer.

Witsel has been linked with Manchester United, Chelsea, Real Madrid and AC Milan since the end of the season.

"It's nice to see my name linked to big clubs. It is a sign of recognition for my work. I had a very good season at Benfica and so other clubs show interest. But it does not mean more," said Witsel.