4. Frank and Ronald De Boer
The Dutch twins both played regularly for the Dutch national team having appeared in two World Cups together (1994 and 1998). Both players played together for Ajax, Barcelona, Rangers, Al Rayyan and Al Shammal during their illustrious careers.
Presently, Frank manages Ajax while Ronald is an assistant coach at youth level for the same club. Overall, both players won five league titles with Ajax and one each in Scotland and Spain with Rangers and Barcelona respectively.