I'm not very sure. But there was a 19 year old I heard, who was injured on his debut, and after the match, he retired from FOOTBALL, not soccer.
Stanley Matthews retired from professional football at the root age of 50.
sachin
40
pele
Lionel messi
freddy adu
Lionel Messi
yo mom was
the youngest professional soccer player is Freddy Adu. He is 19 years old.
Freddy Adu, 19
neymer
eriksen
dider drobga