Costa Rica coach Jorge Luis Pinto is worried Arjen Robben will try to give Holland an advantage by diving in Saturday night's World Cup quarter-final in Salvador at 9pm.
Earlier in the day at 5pm, Argentina will be hoping Lionel Messi is proves to be the difference, while Belgium coach Marc Wilmots has called on his players to make history to reach their first semi-finals since 1986
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European Union leaders are attending a special summit later to formally agree their Brexit negotiating strategy.
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