How Joao Felix went from superstar to the Atletico scrapheap: Once the heir to Cristiano Ronaldo's throne, the struggling £115m man is back at Chelsea after failing to live up to his billing in Spain

The 19-year-old phenomenon had a list of clubs trailing in his wake bursting at the seams with silverware after 12 goals and six assists to his name in his first full season with the Benfica senior team.