French newspaper Le Monde alleges that in the course of investigating Operation Puerto, a doping bust primarily focused on cycling, extensive documentation was found of "seasonal preparation plans" for Real Madrid and Barcelona that include notation suggesting doping practices. Sources suggest that of the 200 sportspersons implicated in Operation Puerto, approximately 50 were cyclists (including notable names such as Ivan Basso and Tyler Hamilton) and the remaining 150 were from other sporting codes, including football. The football players were never pursued in the investigation, leading to claims of double standards between sports.