The four key battles which will decide England vs Croatia: The Tottenham teenager who could lock up Harry Kane, why 40-year-old Luka Modric can still cause damage - and the crucial two clashes on the flanks

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England opens its World Cup Group L campaign against Croatia on Wednesday, led by striker Harry Kane, but the team must manage without left-back Tino Livramento, who sustained a calf injury during training and was subsequently withdrawn from the squad. Portugal also begins its tournament play on the same day, with both nations seeking strong starts in the group stage.