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.
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The youngest basketball player ever to win a championship in the finals was ................ Michael Jordan 23 from The Chicago Bulls
Aaron Gordon, University of Arizona, 18 years of age
Mita Klima was the youngest player at age 13. Mita Klima was the youngest player at age 13 and was from Austria.
Kobe Bryant
Kevin Pangos
the youngest player in the NBA was a man named Kouiazoakee Jupietereat the age of 5
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Ethan Bortnick is known as the youngest keyboard player and performer in the world. He began playing at the age of 3, and began composing at the age of 10.
Jason Day is the youngest competitive player in the 2008 season at an age of 20.
Beating Cole Hamels by 2 years, Cliff Lee is the youngest player at 24 years of age.