The 2026 World Cup is shaping up to be a game-changer in more ways than one. Not only is it expanding to 48 teams, but it's also bringing some much-needed changes to the way players behave on the field. The tournament's host countries, the US, Canada, and Mexico, are already expecting a unique experience, and these new rules are just the beginning.

One of the main reasons for these changes is a recent increase in incidents where players have used their mouths to confront opponents. This gesture, which has become all too common in modern football, is now going to have serious consequences. Referees will have the power to send off players who cover their mouths while arguing with an opponent, and teams can expect to lose a player for the rest of the game.

But that's not all - another major change is coming our way. Players who walk off the pitch in protest of a refereeing decision will also face instant dismissal. This applies not just to players, but also to officials who encourage or incite players to leave the field. In extreme cases, a team responsible for causing a match to be abandoned could even forfeit the game.

These new rules are a response to some high-profile incidents in recent years. One notable example is a match between Senegal and Morocco at the 2025 Africa Cup of Nations. After a disputed penalty was awarded to Morocco, the Senegal players walked off the pitch in protest, only to return 17 minutes later. Although they went on to win the game, the Confederation of African Football later ruled that their walk-off was a breach of competition regulations, and Morocco was awarded a 3-0 technical victory.

While these changes are being introduced specifically for the 2026 World Cup, they could become a permanent part of the game if they prove successful. For now, though, they're a sign that FIFA is taking player behavior seriously and is willing to take bold steps to promote fair play.