After a crushing World Cup exit, 11 debutants and two teenage scorers are giving the program renewed verve Subscribe to our free newsletter for US soccer fans Follow Guardian Soccer on Instagram and TikTok The fans who witnessed the United States’ 4-1 thrashing of Peru in Orlando on Saturday did not have to wait long to get their flashbulb moment. It came just four minutes into the match, only moments after 19-year-old Orlando City attacker Justin Ellis headed home the US opener. Ellis, making…