Which players won both FIFA U-20 World Cup (until 2005 known as the FIFA World Youth Championship) and FIFA World Cup? This would show players who excelled both in the young age and in their later career. I guess that there will not be too many such players but, of course, I might be wrong. I ...

If this source (Internet Archive) is correct, then the following list includes all players who won both U-20 World Cup and senior World Cup until 2013. There are some later additions too (based on other sources). Diego Maradona. Maradona won the FIFA World Youth Championship in 1979, and also re...