The transfer system associated with European football' is completely unique from any other form of American sports
Knight, Ryan M.
"A Football Monopoly: The Lack Of Parity And Financial Resposibility In Today's Game,"
ILSA Journal of International & Comparative Law: Vol. 20
, Article 4.
Available at: http://nsuworks.nova.edu/ilsajournal/vol20/iss1/4