Joined Everton in August 2019 for an initial £28 million, rising to £34 million with potential add-ons.
Represented England at Under-16, Under-17 and Under-18's age groups but now represents Nigeria at full senior international level.
Won his first international cap for Nigeria, against DR Congo, before making his first team debut for Arsenal.
Born in Nigeria but moved to England when he was 4 years old.
Nephew of former Nigeria international midfielder Jay-Jay Okocha.