The five-time-capped winger has been announced as the substitute for his Russia-based countryman, who has deemed himself unable to play due to personal reasons. The Portuguese Football Federation has announced via its official website that Porto winger Silvestre Varela will replace Danny in the squad for the Euro 2012 qualifiers against Iceland and Denmark. The 28-year-old midfielder, who scored Zenit St. Petersburg\'s first goal in the team\'s 2-2 draw at Spartak Moscow on Sunday, claims that personal reasons prevent him from leaving Russia in the coming days.Danny joins injured trio Pepe, Fabio Coentrao and Hugo Almeida on the list of absentees for the decisive qualifiers.Portugal are currently at the top of Group H on 13 points, sharing the position with both Denmark and Norway. The Euro 2004 runners-up welcome Iceland on Friday at the Estadio do Dragao before taking on Denmark in Copenhagen four days later.