This is the 6902nd most frequent Spanish word.
deulofeu
"Deulofeu" is not a Spanish word; it is a surname.
Used as a proper noun denoting the player's name.
Deulofeu es un talentoso jugador de fútbol.
Deulofeu is a talented football player.
Here, 'Deulofeu' is used as a possessive to describe the subject of the goal.
El gol de Deulofeu fue espectacular.
Deulofeu's goal was spectacular.
In this case, 'de Deulofeu' indicates 'of Deulofeu', referring to the match associated with him.