Thiago Alcantara scored Barcelona 's first goal in 6-1 win over Porto . Spanish midfielder dictated the game with precise passing from deep . One commentator said : 'Thiago might well be the most technically-gifted central midfielder who has ever played for Bayern . Thiago followed Pep Guardiola from Bayern Munich to Barcelona . Manchester United made an ultimately fruitless effort to sign the midfielder .
Thiago Alcantara scored Bayern Munich 's first goal in 6-1 win over Porto . Spanish midfielder dictated the game with precise passing from deep . One commentator said : 'Thiago might well be the most technically-gifted central midfielder who has ever played for Bayern . Thiago followed Pep Guardiola from Barcelona to Bayern Munich . Manchester United made an ultimately fruitless effort to sign the midfielder .