Porto can wrap up qualification on matchday five but that could be easier said than done at a København side eager for the win themselves to leapfrog their opponents into second place.
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FC Porto visit Group G rivals FC København looking for the victory that would wrap up their qualification for the UEFA Champions League knockout stage.
• København, two points behind second-placed Porto, will have other ideas as they target a win which would lift them above their visitors in the standings.
• The sides drew 1-1 at the Estádio do Dragão on matchday one when Andreas Cornelius scored to cancel out Otávio's goal for Porto. FCK later had Ján Greguš sent off.
• Ståle Solbakken's Danish champions are unbeaten in five European home fixtures this season.
• With their goalless home draw with Leicester City FC last time out, FCK have still yet to concede a goal at 'Fortress Parken' in their 2015/16 UEFA Champions League campaign.
• FCK have never beaten Portuguese opposition (D2 L3). Their two previous home matches against visitors from Portugal were both against SL Benfica and they failed to score each time – a 0-0 draw in the UEFA Champions League group stage debut appearance in 2006/07, and a 1-0 defeat in the 2007/08 third qualifying round.
• Porto are looking for a third straight victory in Group G following back-to-back wins over Club Brugge.
• This is Porto's first visit to Denmark since a 2-2 draw at Aalborg BK in the 1995/96 UEFA Champions League group stage in which Emerson scored twice. Their record in Denmark is D2 L1.
Coach and player links
• Ludwig Augustinsson put a penalty past José Sá when Sweden beat Portugal in the 2015 UEFA European Under-21 Championship final in Prague. Sérgio Oliveira was captain of the beaten Portugal side.
• Silvestre Varela scored the 87th-minute winner past Stephan Andersen when Portugal beat Denmark 3-2 in the group stage at UEFA EURO 2012. William Kvist was in the Denmark side too and appeared as a substitute in Denmark's 1-0 loss to Portugal in UEFA EURO 2016 qualifying in Braga in October last year.
• Yacine Brahimi came off the bench to score past Andersen for Stade Rennais FC against the Dane's Évian Thonon Gaillard FC in the 2011/2012 French Cup round of 16.
• Adrián López finished as the five-goal top scorer when Spain won the 2011 UEFA European Under-21 Championship finals in Denmark.
• Iker Casillas kept a clean sheet at Parken with Spain in a 3-0 friendly win in August 2008. He had also won in Denmark with Spain the previous year – 3-1 in a UEFA EURO 2008 qualifier in Aarhus in October 2007.
• Played together:
Laurent Depoitre & Erik Johansson (KAA Gent 2015/16)
Corona & Kasper Kusk (FC Twente 2014/15)
• Mathias Jørgensen will incur a suspension with his next booking.
• Solbakken's side have lost just one of their last 30 matches in all competitions, at Leicester on matchday three.
• København have not lost at home in any competition since 5 August 2015 and are 39 league games undefeated on their own turf, a run dating back to a 2-1 reverse against FC Midtjylland on 15 August 2014.
• Peter Ankersen and Cornelius were on target as Denmark beat Kazakhstan 4-1 on 11 November in the European Qualifiers for the FIFA World Cup. Ankersen's goal was his first for club or country since 5 October 2014, when he was at FC Salzburg.
• Benjamin Verbič scored the only goal in Slovenia's victory away to Malta on 11 November.
• Federico Santander (right thigh) was substituted 37 minutes into Paraguay's World Cup qualifier against Peru on 10 November.
• Danny Amankwaa will miss the rest of 2016 after undergoing knee surgery on 25 October.
• Felipe is a booking away from a ban.
• Porto are eight games unbeaten since losing to Leicester on matchday two, although they were knocked out of the Portuguese Cup on penalties by GD Chaves on Friday night following a goalless draw.
• The 1-1 draw against SL Benfica on 6 November ended the Dragons' 100% home Liga record this term.
• Óliver Torres started both games for Spain as they recorded an away-goals victory over Austria in their 2017 UEFA European Under-21 Championship play-off.
• Miguel Layún scored one goal and set up the other in Mexico's 2-1 World Cup qualifying triumph over the United States on 11 November.
• Otávio extended his contract until summer 2021 on 3 November.