Since the arrival of Russian billionaire Roman Abramovich, Chelsea have become known for their ruthless hiring and firing policy.

But the new appointments have brought success, says Chelsea chairman Bruce Buck. And the managers know exactly what the job demands. 

Al Jazeera's Lee Wellings talks to Bruce Buck at the Business of Sport summit in Singapore. 

Click here to read Lee's blog on meeting the Chelsea chairman.

Source: Al Jazeera