Brazilian makes first appearance after joining from Chelsea Carrick rings changes at half-time as United lose 1-0 in Helsinki Andrey Santos made a bright first Manchester United appearance as they lost 1-0 in a pre-season friendly against Wrexham in Helsinki. Sam Smith scored the only goal with an easy finish six minutes before half-time, minutes after heading against his own crossbar defending a corner. United were without the players who have featured at the World Cup, including their new sig…