Peter Neururer, a coach in the German Bundesliga, accused players of his former club Schalke 04 of doping, alleging that almost all players in the club in the late 1980s took Captagon, an illegal substance in most countries, including Germany. Jens Lehmann, then a young player with the club, confirmed the allegations. The German Football Association requested Neururer to release names of players involved in doping.[21] Schalke 04 denied the allegations.