Law enforcement says an Argentine player smacked a Spanish rival during the 2026 World Cup final.
A brief clash followed, then turned into a larger brawl once the final whistle blew.
Officers arrested several spectators in New Jersey when fans came into conflict in the streets.
FIFA opened a probe into the post‑game disorder.
The Argentina skipper posted his team's perspective after receiving the red card.
Critics are railing against the reckless conduct both on‑field and in the streets.