Christian Eriksen of Denmark is the youngest player in the 2010 FIFA World Cup. He was born on 14 February 1992 (aged 18).
It could be Asamo Gyan.
thomas muller of germany
Christian Eriksen (Denmark) was officially the youngest player at 18 years and three months old when the tournament began.
Cristen Eriksen - Denmark 18 years old
The youngest F.I.F.A player of the year is Lionel Messi at 22 years.