How long is the average NFL career?

Answer 1

Counting only quarterbacks who have played more than one full year (you'd be amazed at how many short-lived QBs there are), the average career length of an NFL quarterback is 6.6 years.

Source: http://www.pro-football-reference.com/players/qbindex.htm

Answer 2

An Average 3.5 years in the NFL Gridiron. Last recorded statistic in 2007.

Answer 3

The average NFL career lasts from two to four years.

Answer 4

4 years.
it is usually the peak time. then you stop getting better and stay as you are as other players pass you by. this may not occur with all people. it is just an average.

Answer 5

Normally starters have around an 8 year career. This is an average, considering some players play a lot less, but great starts can play for quite a bit more.

Answer 6

I'm of the opinion that it's 3 1/2 years for a Running Back in the NFL

Answer 7

3.5 to 4 years.

Answer 8

4 years