- Injury risk - Country of origin (home grown player quotas, visas, participation in national team (especially African cup of nations that occurs mid season).

- Injury risk - Country of origin (home grown player quotas, visas, participation in national team (especially African cup of nations that occurs mid season). - Attractiveness (something Madrid apparently value as part of their brand, and marketability) - Mentality (Mario...) - Position (typically higher the further up the pitch they play) - Previous contract value. A number of players signed by big clubs then released are on high wages, and expect they to be met. - time left on contract (shorter time means higher wage demands)