Croatia go into Monday's fixture with Portugal knowing that a victory will guarantee them qualification from Nations League Group A1.
Portugal have already secured top spot in the group and a place in the Nations League quarter-finals. Any nation from Croatia, Scotland and Poland can still finish in second place.
Here's how the Croatia and Portugal squads are shaping up.
Croatia Team News
Dominik Livakovic and Ante Budimir are back for Croatia after serving bans, but Peter Sucic is suspended after receiving two yellow cards and a dismissal against Scotland on Friday.
Kristijan Jakic picked up a knock last time out and remains a doubt.
Last Croatia Lineup
Here's how Croatia lined up against Scotland.
Portugal Team News
Portugal will finish top of the group no matter what so expect major rotation from Roberto Martinez.
Cristiano Ronaldo, Pedro Neto, Bernardo Silva and Bruno Fernandes have all returned to their clubs already and won't feature.
That could mean starts for the likes of Trincao, Joao Felix, Vitinha and Francisco Conceicao.
Last Portugal Lineup
Here's how Portugal lined up against Poland.
Croatia vs Portugal Expected Lineups
Croatia (4-2-3-1): Livakovic; Pongracic, Sutato, Caleta-Car, Gvardiol; Modric, Kovacic; L. Sucic, Pasalic, Perisic; Kramaric
Portugal (4-2-3-1): Silva; Cancelo, Djalo, Araujo, Tavares; Vitinha, Neves; Conceicao, Otavio, Trincao; Felix
Croatia 
Portugal 
