Argentina coach Lionel Scaloni insisted Wednesday's heavyweight World Cup semi-final against England was "just a football game" after his side beat Switzerland 3-1 in the last eight.
Alexis Mac Allister put the defending champions ahead early in Kansas City on Saturday but Dan Ndoye scored a deserved equaliser midway through the second half.
Disaster struck minutes later for Switzerland when Breel Embolo was shown a second yellow card for simulation, reducing them to 10 men.
Julian Alvarez broke Swiss hearts in the 112th minute before substitute Lautaro Martinez added a last-gasp third.
Argentina now turn their attention to the semi-final in Atlanta, which promises to be a tense encounter.