Known as ‘Hemir’, the 19-year-old has completed a move to Wearside from S. L. Benfica for an undisclosed fee and signing a five-year contract at the Stadium of Light.
The striker featured for Benfica B and the Portuguese outfit’s Under-23 side throughout the past two seasons, scoring a total of 28 goals in 61 appearances.
Hemir has also represented Portugal at youth level, representing A Seleção at Under-16, 19 and 20 level.
A towering presence, Hemir's technical ability is also a key part of his arsenal.