More than any other position on the football pitch, goalkeeping is an old man's game. Physical abilities are often the least important aspect of a good shot-stopper; mental strength and fortitude can be just as vital in keeping the net safe.
For that reason, the accepted logic is that the best No. 1s hit their prime around the age of 30.
Of course, all rules are made to be broken. Plenty of goalkeepers break through before the age of 25, making a name for themselves in some of the world's top clubs. Here are a few of the very best young glove-men currently starring in Europe and South America.