Chelsea have officially confirmed their second signing of the day in young Brazilian midfielder Andrey Santos, having already announced David Datro Fofana earlier today.
The 18-year-old wonderkid was announced as joining the Blues by his Brazilian club Vasco da Gama yesterday afternoon.
Santos become the third January transfer window signing for Graham Potter's side after completing deals for Fofana and Badiashile already in the opening week.
Despite being just 18, Santos has been capped at U20 level by Brazil and is regarded as one of his country's most promising midfielders.