Leicester City, the English Premier League champions, won around 230 million euros from the sale of four players - England's Harry Maguire, Danny Drinkwater, Algeria's Riad Mehrez and Frenchman Negolo Canti.
The "foxes" included Drunkwater from Manchester United for 917 thousand euros, and sold in 2017 to Chelsea for 40 million euros.
Mehrez signed Leicester from Le Havre for 516,000 euros and sold him in 2018 for Manchester City for 75 million euros.
He also signed Kanti from Cannes for 8 million euros and sold him to Chelsea in 2016 for 40 million euros.
Last season, Maguire sold for 97.41 million euros, having bought him from Hull City for 14 million.