The only “perfect” team left standing in Nations League A, Portugal, have their run under threat from Scotland tonight at 8.45pm
Bernardo Silva, Cristiano Ronaldo and their Portugal pals are the only team to have won all three of their games to date and travel to Scott McTominay and his winless Scotland brasse at Hampden Park looking to make it four from four in Group A1.
Portugal come off a 3-1 win over Poland, while Scotland lost 2-1 to second-placed Croatia the weekend.
The Croats - three points behind Portugal and three above Poland - travel to Warsaw to face the Poles at the same time.
In Group A4 - the other pool playing tonight - Lamine Yamal and defending champions Spain host Serbia, who are three points behind them in third on the log.
Spain beat Denmark 1-0 in their last outing, while Serbia beat Switzerland 2-0.
The winless Swiss will look to bounce back when they host Denmark tonight.