Chelsea target Andre Villas-Boas set to become new boss

Chelsea target Andre Villas-Boas is on the verge of becoming the club's new manager, BBC Sport understands.He resigned at Porto on Tuesday having guided the club to a domestic double and the Europa League last season.Porto have received the outstanding £13.3m compensation detailed in the termination clause of Villas-Boas's contract, paving the way for a move.Chelsea, who sacked Carlo Ancelotti in