Portugal welcome Poland to Porto on matchday five of the UEFA Nations League on Friday night.The hosts need just one point to be assured of a top-two finish, while Poland need four points from their final two matches to have any chance of reaching the finals.
Despite seeing their 100% record in this edition of the Nations League come to an end last month, Portugal are still in the driving seat to finish top of Group A1.
Roberto Martinez's side were wasteful in a 0-0 draw with Scotland at Hampden Park on matchday four, but were bailed out by Croatia throwing two points away in Poland from a commanding position, meaning Portugal remain three points ahead in the section.
However, failing to beat Scotland does mean that, even with a win, top spot may not be secured heading into the clash with the Vatreni on matchday six, if Zlatko Dalic's men are able to beat the Scots.
Portugal have a crisis at centre-back heading into this international window, with Ruben Dias and Goncalo Inacio both absent with injury.
Antonio Silva is the most experienced option in that position, and even though he has not been playing regularly at Benfica, he should start seeing as it would be unlikely for Martinez to go with both uncapped Tiago Djalo and Tomas Araujo together.
In attack, the hosts are without Diogo Jota and Goncalo Ramos, while midfield trio Ruben Neves, Matheus Nunes and Pedro Goncalves are all also unavailable.
Poland have been hugely weakened by the absence of star striker Robert Lewandowski, who has pulled out of the squad late with a lower back issue.
Arkadiusz Milik remains off the radar, so Karol Swiderski and Krzysztof Piatek could battle for a starting spot up top for the away side, unless Probierz opts to go for a two-pronged attack.
Jakub Piotrowski and Kacper Kozlowski are absent in the midfield for Poland, while Verona's Pawel Dawidowicz is still out after being forced off in the first half against Croatia last month.
