Philadelphia Union teen soccer phenom Cavan Sullivan, seen here with Argentine superstar Lionel Messi of Inter Miami in September 2024, has been followed with a spotlight since he was 13 at academy and youth national team games, and has a transfer to Manchester City already settled for when he turns 18 in two years. (Facebook via U.S. Men’s National Team/Anthony Kyaw) By TOM BOGERT and THOM HARRIS / THE ATHLETIC Cavan Sullivan did not take a break this summer, even as his Philadelphia Union…
