Team Ages

Clay Davenport has a great article titled: Team and Organizational Ages on baseball prospectus today.

The methodology is sound, and the findings are:

Youngest Org to Oldest org. I'm cutting out the data, since it is a pay article.
Sea
Chi
Min
Atl
Laa
Lad
Col
Ari
Tex
Tb
Mil
Cle
Chw
Stl
Sd
Bos
Tor
Fla
Kc
Hou
Det
Nym
Nyy
Oak
Sf
Cin
Was
Phi
Pit
Bal

Clay also posts the ages of the MLB teams. Personally I'd like to see it broken out so that we can also just see the aggregate minor league data.