Chelsea manager Andre Villas-Boas believes that Blackburn Rovers supporters need to show more respect to manager Steve Kean.

The Rovers fans have been outspoken over their desire to oust the Scotsman, which has forced the club to ban any protest banners before and during the match against Chelsea this weekend.

"Blackburn are a team that are going through ups and downs in terms of emotions - losses and draws at home; a public that have shown a bit of disrespect for their manager," Villas-Boas told reporters.

"Steve is my friend and I have high respect for what he's done. It's been going emotionally up and down at Blackburn.

"When a team is like that, you know the team can put up a proper challenge. We have to be up to our best again."

The two go head to head at Ewood Park in the Premier League this Saturday.