who was the umpire that gave the red card to the usa player
It was Brazilian referee Raphael Claus who gave the red card to the USA player, Folarin Balogun.
Quick Scoop
The call came after a VAR review in the USA’s match against Bosnia and Herzegovina, and Claus upgraded the incident to a red card.
Context
This decision drew attention because the red card changed the flow of the game and led to Balogun’s suspension for the next match.
Name spelling
You may also see his name written as Rafael Claus in some coverage, but the widely used spelling in the reports I found is Raphael Claus.