Javier Mascherano , Messi 's teammate in Barcelona , also joined the Argentine squad yesterday .
Javier Mascherano , Messi 's teammate in Barcelona , also trained normally and was part of the first team alongside Lucas Biglia in midfield .
Javier Mascherano , Messi 's teammate in Barcelona , also joined the Argentine squad yesterday , but trained normally and was part of the first team alongside Lucas Biglia in midfield .