Berne - Southampton have the most profitable youth academy among the clubs in Europe's so-called five big leagues, according to a study published on Monday.
The Swiss-based Centre for Sports Studies (CIES) said Southampton had generated €90.2 million from the transfer of players from their youth academy, including Adam Lallana, Luke Shaw and Calum Chambers, since July 2012.
They were followed by Ligue 1 club Lille (€76 million), La Liga pair Real Socieded (62.2 million) and Sevilla (€51.5 million) and Bundesliga club Borussia Dortmund (€43.5 million).