The new season may still be some weeks away but Chelsea manager Jose Mourinho has renewed hostilities with Arsenal, claiming the two clubs are treated differently by the Football Association.

“Some are treated as devils, some as angels,” Mourinho told a news conference at Chelsea’s new training ground.

“We are not so ugly to be treated like devils and I don’t think Arsene Wenger and David Dein are so beautiful to be treated as angels,” he added.

In a reference to Arsene Wenger’s recent controversial attempt to buy Sevilla striker Juilo Baptista, Mourinho said: “I went to Brazil for a holiday, I didn’t go to chase players and have secret meetings with clubs.”

Mourinho also rallied against the Premier League fixture list, suggesting that Arsenal have close links because of vice-chairman Dein.

“After the first five rounds of the Champions League this season Chelsea have an away game while Arsenal are always at home,” Mourinho said.

“Why do you have nothing to say about that? Is it only Jose Mourinho who looks at the fixtures who finds something very strange?

“What concerns me is the way you approach different situations in a very different way,” he said.

“I am not the world’s most intelligent man but I am not stupid. I understand things here, they don’t change.

“Maybe in 2009 or 2010 maybe Mr Dein is not in the FA anymore and I can have a different season, or maybe Mr Kenyon is working in the FA?”