Brazil were humiliated 4-1 by bitter rivals Argentina in South American World Cup qualifiers on Tuesday as the pressure mounted on manager Dorival Jr after his side were comprehensively outplayed and fortunate not to lose by more. After edging Colombia 2-1 at home on Thursday, Brazil came crashing back to earth against the world champions, who started the rout with a close-range strike by Julian Alvarez four minutes after kick-off. Alvarez took a through pass from Thiago Almada in his stride