Ismael Diallo, a 22-year-old French full-back at Dijon, is out of contract in June and three German clubs are interested in him. The player, who can operate on both sides, has registered 3 goals and 3 assists this season. Cologne and Mainz are two of the clubs interested, along with Schalke 04, which is currently the leader of the second division and well positioned for promotion to the Bundesliga.