The youngest player to ever appear in the English Football League First Division was Norman Whiteside. He made his debut for Manchester United at the age of 16 years and 77 days on April 14, 1982. Whiteside's record stood for many years, highlighting his early talent and impact in top-flight football.
The youngest player named by the BBC is a Scottish native by the name of Scott Robinson. Scott joined a game on 26 April 2008 as a substitute being only 16 years, 1 month and 14 days old.
The youngest girl in Cimorelli is Dani and she is currently 13 years old.
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Abagail Breslin- 13 years old
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Joe Nuxhall was the youngest player in modern Major League history. He was 15 years old when he first pitched for the Reds.
The youngest f.I.f.A player is 22 year old Lionel Messi.
The youngest hockey player in history was a little girl that was 2 years old
Hasan Raza of Pakistan was 14 years old when he played his first international cricket match.
Now, Reynolds, just 24 years old, may be the youngest head coach in NCAA
Jack Wilshire from Arsenal is 19 years old and the youngest player in the Barclays Premier League.
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16 years old
I believe the youngest ever player to enter the NBA was Andrew Bynum of the Lakers. He was 17 years old when he made it.
Freddy Adu is 16
Leeds United won the last first division title.
The 17-year old Feller became the youngest player ever to play a regular season game.