The USMNT's 4-1 win over Paraguay drew 15.986 million viewers, making it the most-watched men's World Cup telecast in English-language U.S. history.
https://www.foxnews.com/sports/united-states-shatters-world-cup-viewership-record-first-match-vs-paraguay-los-angeles
https://www.foxnews.com/sports/united-states-shatters-world-cup-viewership-record-first-match-vs-paraguay-los-angeles