Law enforcement says an Argentine player struck a Spanish rival during the 2026 World Cup final.
A brief melee followed, then turned into a escalated fight once the game ended.
Officers arrested a handful of supporters in New Jersey when fans confronted each other in the streets.
FIFA opened a probe into the post‑game disorder.
The Argentina skipper released his view after being sent off.
Critics have condemned the reckless conduct on the field and in the city.