It depads if the NFL player what to retier then they need a replasement so you don't know if a player is gone or not.
4
the youngest age to ever enter the nfl was 19yrs old.
Four - two from each conference.
Each year, thousands of college football players declare for the NFL draft. However, only a small percentage of these players are actually chosen to join an NFL team. The exact number of individuals who try out for the NFL each year can vary, but it is estimated to be in the thousands.
as many as they can fit in
The Packers joined the NFL for the 1921 season.
Tomlinson's first season in the NFL was 2001.
over 500
NFL teams can carry rosters of 53 players.
1920
1937
1976