The Primeira Liga currently named Liga ZON Sagres after their main sponsors,is the top professional association football division of the Portuguese football league system. The league has been be named Liga Sagres due to sponsorship from Sagres beer. In 2010, they renewed the sponsorship from Sagres, but also got the sponsorship from ZON Multimédia, the leading pay-TV services provider.
The Liga Sagres official number 2010/11 for player design with Official Liga Zon Sagres emblem were worn at the base of the numbers on the back shirt only.
