Mexico's 2-0 opening victory over South Africa featured three red cards: Cesar Montes (Mexico) sent off on 67 minutes, and Yaya Sithole and Themba Zwane (South Africa) dismissed for second yellows or straight reds.
Under World Cup 2026 rules, a direct red or a second yellow in the same match results in automatic one-game suspension from the next group fixture. FIFA retains discretion to impose further sanctions for serious offences. Sithole and Zwane will miss South Africa's next match against Czechia; Montes will sit out Mexico's game against South Korea.
Yellow cards reset after the group stage concludes and again after the quarter-finals, clearing players' records for the knockout phase. Two yellows from separate matches also trigger a one-game ban.
For bettors, the loss of experienced defensive players significantly weakens South Africa's shape in the Czechia match. Depleted at the back, South Africa becomes vulnerable to conceding multiple goals, pushing match totals higher and favoring the over for the Czechia-South Africa fixture.