Portugal 's new coach Artur Jorge called up six players from league champions Porto on Friday in an 18-man squad for the opening World Cup qualifier against Armenia on August 31 .
<response> <location>Portugal</location> 's new coach <person>Artur Jorge</person> called up six players from league champions <organization>Porto</organization> on Friday in an 18-man squad for the opening <misc>World Cup</misc> qualifier against <location>Armenia</location> on August 31 . </response>