The 16 year-old has made rapid progress through Barca's youth system and is already training with coach Pep Guardiola's senior squad.
A winger, Deulofeu is known for his ability to beat defenders and is a box of tricks and flicks.
"Deulofeu is different from the rest, that's what defines him," said Francisco Sanchez, a Barca youth coach.
"He was very individualistic, but is learning to be more of a team player.
"He is lethal in one on one's and unpredictable."