The Portuguese international has been training with Lancashire neighbours Blackburn Rovers but it has been suggested that Bolton are set to steal in and sign the free-agent who has been without a club since leaving German club Hannover 96.
Another move said to be close is that of Russian striker Dmitri Bulykin after Wanderers boss Sam Allardyce said that talks had been progressing well. The move for the Dinamo Moscow goal-getter could be made permanent if he impresses in a loan spell.