Fairytale goodbyes are a rarity in football. Belgium's 2-1 defeat by Spain in the quarter-finals of the World Cup is likely to have marked the final bow of the four remaining members of the Red Devils' golden generation. Thibaut Courtois, Romelu Lukaku, Kevin de Bruyne and Axel Witsel have been mainstays of the national team since the 2014 World Cup in Brazil, but their final chance of winning football's biggest prize ended with a mistake from one of their successors.