The amount of young talents that have been pouring out of the floodgates in recent years is absolutely astonishing. So many youngsters from all around Europe have been showing amazing potential as of late. The skill, confidence, and ability of these youngsters is truly remarkable, as they are some of the best players in the world already. And in particular, there are an endless amount of promising players who are under 21 and can’t even drink in some countries! So, here are the 10 best players under the age of 21.