Here's the latest news from the World Cup on Tuesday, July 7.Portugal boss Martinez resignsRoberto Martinez has stepped down as Portugal head coach after their heartbreaking 1-0 World Cup last-16 defeat to Spain.Martinez confirmed the loss brought an end to his three-and-a-half-year spell in charge, insisting he had achieved all he could after falling short of his ultimate goal."I came to Portugal to win the World Cup and I think that, without winning it, there's no point in continuing," Martinez said after the defeat. He added: "Yes, this is my last game with the national team. It's the end of a cycle."‌The 53-year-old said it was "important to have a new voice now", with his contract expiring after the tournament, allowing the Portuguese Football Federation to appoint a new manager.Marti