Luiz 's defensive weaknesses were highlighted when Brazil were thrashed 7 - 1 by Germany in the semi-finals .
The former Chelsea player is eager to bounce back at Luiz 's new club alongside Thiago Silva .
Luiz 's defensive weaknesses were highlighted when Brazil were thrashed 7 - 1 by Germany in the semi-finals , but the former Chelsea player is eager to bounce back at his new club alongside Thiago Silva .