If you understand sport science and fitness the fact that they played up until recent and only had a week to train is no problem at this level. All they lacked was touch and muscle memory. That comes back the longer the game goes on.
The fact is these players are never far off elite fitness
Sure but you don’t go straight back to 100% full speed for 90 mins in your first game back from a break or you’ll probably pick up injuries.
And they didn’t. They were almost walking pace for most of the game and didn’t ever really turn it on.