The Colombian drew a crowd of supporters into the stadium to witness his arrival and then took centre stage.
Club president Florentino Perez then handed him the No. 10 shirt.
SALE JAMES A LA GRAMA DEL BERNABEU!! https://t.co/D9mjZV1yrd— Fútbol Moderno (@FutbolModerno_) July 22, 2014
The jersey was last worn by Mesut Ozil, who left for Arsenal at the end of the 2013 summer transfer window.