Amobi Okoye was the youngest player in the NFL at the time that he was drafted.
the youngest NFL player ever is Houston Texans DT Amobe Okoye
The 17-year old Feller became the youngest player ever to play a regular season game.
The youngest player ever to appear is: 18yrs 115days: Enzo Scifo (Belgium 2-0 Yugoslavia, 1984)
Bep Guidolin was the youngest player ever. He was 16 when he made his debut for Boston in 1942-43
The youngest baseball player ever