A great deal is said of the this young French wonder kid called Kylian Mbappe, but will e deliver the good sin the end is to be seen. Will he do what some famous footballers did when they were young. 1) Lionel Messi cored a hat trick against mighty Real Madrid in the Champion League , at the age of nineteen. 2) Pele won a world cup at 17, seventeen years. 3) Ronaldinho scored total of 23, twenty three goals in a single match at the age of thirteen years, for the Brazilian youth academy at Gremio.