Silva struck twice in the second half to further stretch the 2010 World Cup winners' lead after Barcelona's Jordi Alba had fired them into the lead in the sixth minute and Alvaro Morata had doubled their advantage midway through the first half.
Gijon spoiled Asier Illarramendi's return to Real Sociedad's midfield after rejoining from Real Madrid this week when they held the Basque club, coached by Scot David Moyes, to a 0-0 draw in San Sebastian.
Chile beat Ecuador 2-1 in their closing South American qualifier in Santiago on Tuesday as both went through automatically to the 2014 World Cup finals in Brazil.
Barcelona must to wait to confirm a place in the Champions League last 16 after dropping points for the first time in Group D in an absorbing 0-0 draw at Olympiakos Piraeus on Tuesday.
Here is the round-up of all the football action across Europe on the weekend
Barcelona snatched a late 2-1 win at Getafe with Paulinho's strike sending them seven points clear of arch-rivals Real Madrid at the top of La Liga.
Neymar shrugged off some rough tackling and a missed penalty to score a brilliant solo goal as he led Brazil to a 3-0 win over Paraguay that moved them within sight of the 2018 World Cup finals on Tuesday.
Striker Marcus Rashford scored a second-half winner as a young and much-changed England avoided an unprecedented fourth successive defeat by beating Switzerland 1-0 in a friendly on Tuesday.
Cristiano Ronaldo shrugged off the boos of his own supporters to fire Real Madrid to a 3-0 win over Real Sociedad on Sunday.
Sergio Ramos has so often been Real Madrid's man of the moment but the captain saw the tables turn as his own goal helped his former club Sevilla to a 2-1 win over the La Liga leaders on Sunday, ending a record-breaking 40-game unbeaten run.
A stoppage-time goal from Miranda gave Brazil a 1-0 win over South American rivals Argentina in a foul-strewn friendly, while Netherlands secured a 1-1 draw at neighbours Belgium.
Argentina remain winless in South American qualifying for the 2018 World Cup after struggling to a 0-0 in Paraguay on Tuesday, while Uruguay and Ecuador both made it two wins from two games to top the group.
Factbox on the Real Madrid and Portugal forward who was voted FIFA Player of the Year on Monday.
Tiny Cape Verde Islands catapulted themselves into surprise World Cup contention with a 2-1 victory away to South Africa.
France substitute Kylian Mbappe engineered two late goals to rescue a 2-2 draw against Iceland and spare the blushes of the world champions in their friendly.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field
Portugal captain Cristiano Ronaldo struck his fifth international hat-trick, including a spectacular volleyed opener, to lead the European champions to a 5-1 win over the Faroe Islands in their World Cup qualifier on Thursday.
It will have made uneasy viewing for coach Jorge Sampaoli and emphasised more than ever how reliant his side are on their talisman Messi, who has been struggling with a muscle problem.
News of all that's transpired on and off the football field
An inspired performance from Douglas Costa helped Brazil to a 3-0 win over Peru on Tuesday and lifted them into third place in the South American qualifying group for the 2018 World Cup in Russia.