Association football | association football | European Union | Forward (association football) | Goalkeeper (association football) | Defender (association football) | European Parliament | National Basketball Association | Member of the European Parliament | European Commission | American Association for the Advancement of Science | Association of Tennis Professionals | American Library Association | World Boxing Association | National Collegiate Athletic Association | American Association | American Heart Association | Marylebone Cricket Club | European Space Agency | National Association of Intercollegiate Athletics | Lancashire County Cricket Club | National Rifle Association | International Development Association | Sierra Club | National Association for the Advancement of Colored People | European | American Bar Association | Philippine Basketball Association | European Court of Human Rights | American Medical Association |
In July 2008, McClelland assumed the role of vice chair of the European Club Association, along with Joan Laporta of FC Barcelona and Umberto Gandini of AC Milan.