 In 2006, Palmeiras prepared a dossier for FIFA describing in detail the nature of the 1951 Copa Rio to request official confirmation of their conquest as the first ever club football world champions.Part of the dossier involved evidence of the fact that FIFA officials Stanley Rous and Ottorino Barassi participated unofficially in the organisation of the 1951 competition.Rous and Barassi were primarily involved in negotiations with European clubs, while Barassi also helped organize the framework of the competition.