It is an incredible feat and that’s why only 10 players have done it in the history of football.
Imagine the scenes, you win the Champions League final in May, cementing your name into the annals of the game, and if that wasn’t enough you follow it up by becoming world champion with your country a month or two later.
If Liverpool had a better keeper than Loris Karius then Jordan Henderson could well be approaching the Croatia game with potential to immortalise his name.
As it is, there are three Real Madrid men who could propel themselves to eternal glory: Luka Modric, Mateo Kovacic and Raphael Varane.
But see if you can name the 10 players that already completed the biggest double in football…