The most profitable club academies in the world - ranked

Here we explore the five teams who have championed selling their homegrown talents and arguably have the most successful academies in world football. While, some clubs are renowned for poaching wonderkids and buying their silverware some teams have perfected the art of utilising their academies and then selling these assets at high fees. Meanwhile, certain clubs ... Chelsea just disregard all the brimming talent in their academy, sell them instantly and then attempt to bring them back to the club when they've become a superstar paying an eye-watering fee. You only have to look at the story of Romelu Lukaku and the back page of any newspapers linking Chelsea to a former stars such as the likes of Jeremie Boga, Tammy Abraham or Fikayo Tomori.