Uini Atonio in action during the 2023 Rugby World Cup quarter-final match between France and South Africa at the Stade de France in Paris, France. Subsequent medical examinations verified that Atonio had suffered a heart attack, prompting an immediate decision that he would step away from professional rugby with instant effect. In a statement, La Rochelle confirmed:“Uini Atonio was admitted to hospital in La Rochelle yesterday following a suspected cardiac issue. Uini Atonio is tackled by Eben Etzebeth during the Rugby World Cup France 2023 Quarter Final match between France and South Africa. One wishes La Rochelle well in finding a replacement half as dedicated and talented."