Answer
£25 million was the transfer fee paid by Tottenham Hotspur to Fulham for Ryan Sessegnon in 2019. The English left-back, known for his attacking prowess and versatility, became one of the most expensive teenage signings in Premier League history. Sessegnon's arrival at Tottenham was seen as a significant investment in the club's future, as he was considered one of the most promising young talents in English football.