Chelsea manager Jose Mourinho boldly claimed yesterday that there is no racism in football, despite the fact there are only two black managers out of 92 league clubs.

Over the past few weeks, there has been growing calls to introduce the NFL’s Rooney Rule — where teams have to interview at least one black or minority ethnic candidate for a head coach vacancy — to increase the number of ethnic minorities in management.

But the Portuguese manager said: “Football is not so stupid to close doors to people.