Karl helped Bayern Munich win the Bundesliga last season [Getty Images]Germany forward Lennart Karl has been ruled out of the 2026 World Cup with a thigh injury.The highly rated 18-year-old suffered the issue in Germany's final training session before a warm-up game against World Cup co-hosts United States.Bayern Munich's Karl started in Germany's 4-0 win against Finland in a friendly on Sunday, during which he set up one of the goals, but he will now be replaced by RB Leipzig's Assan Ouedraogo.