Ronaldo Nazario has topped a list of the highest goalscorers in football history before the age of 21. The Brazilian exploded onto the scene with Cruzeiro in 1994 before making his way to Europe with PSV when he caught the eye of Europe's elite. In 185 appearances, he managed to net 167 goals for his clubs and the Brazilian national team. For context, Neymar comes in second place and played 42 games more while scoring 27 goals less. Check out the entire top ten below. 10.)