Pretty cool break down and rank of average ages of teams broken down over different variables. Check out the link. Here's a brief overview... How to Measure Team Age in the N.F.L. and What It Means for 2010 - The Fifth Down Blog - NYTimes.com
great article. i'm not sure if it means much though (age of a team) because there have been young rosters win SB's along with old rosters.