What happened: A New York Times report says coaches are divided after Almiron was sent off under a newly introduced rule tied to players covering their mouths. Alfaro warned that football “could lose essence” if enforcement changes how players communicate on the field.

Why it matters: The debate matters because the rule touches a basic part of match behavior: how players talk during tense moments. If officials continue to punish mouth-covering strictly, coaches and players may need to adjust sideline and on-field communication quickly.

What to watch: Watch for whether FIFA or competition officials clarify enforcement after the reaction. Coaches’ next public comments could show whether this becomes a lasting rules flashpoint.