Chelsea manager Andre Villas-Boas believes Ryan Bertrand is capable of filling in for the suspended Ashley Cole.

The England international will miss Sunday's vital clash with Manchester United after he was sent off against Swansea City midweek but the Blues boss is confident that 22-year old Bertrand can do the job at left-back.

"We have full trust in Ryan's abilities," said Villas-Boas who may also use Jose Bosingwa in Cole's position.

"It's a game of massive importance based on recent results and the fact that we have Man United, the champions, at home.

"Difficult decision to be made (on Saturday) when we practice strategically for the game."

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