Trader consensus favors Mexico at 48% implied probability to top FIFA World Cup 2026 Group A, driven by co-host advantages including high-altitude home matches at Estadio Azteca that challenge visiting acclimatization, alongside Javier Aguirre's high-pressing 4-3-3 honed in recent camps. Czechia's March 31 playoff triumph over European rivals—capped by Patrik Schick's five qualifier goals—solidifies their bundled positioning at 24%, boosting confidence in Miroslav Koubek's disciplined 3-4-1-2. South Korea's unbeaten AFC qualification and 11 prior World Cup appearances sustain 20.5% odds, emphasizing Hong Myung-bo's fluid 3-4-3 wing-back attacks. South Africa's compact 4-2-3-1 trails at 6.8%, hampered by a step-up in competition despite clean injury reports across camps as of April 12.