Experience:
Rookies: 28
1st year: 9
2nd year: 14
3rd year: 14
4th year: 5
5th year: 6
6th year: 4
7th year: 5
8th year: 2
12th year: 1
14th year: 2
15th year: 1
This is a young roster (obviously part of that is all the UDFAs). Think about this, though: The 5th most experienced player is Aaron Rodgers (after Charles Woodson, Jeff Saturday, Donald Driver, & Ryan Pickett).
Acquired:
Drafted by the Packers: 38
1st round: 7 (Aaron Rodgers, A.J. Hawk, B.J. Raji, Clay Matthews, Bryan Bulaga, Derek Sherrod, Nick Perry)
2nd round: 6 (Greg Jennings, Jordy Nelson, Mike Neal, Randall Cobb, Jerel Worthy, Casey Hayward)
3rd round: 4 (James Jones, Jermichael Finley, Morgan Burnett, Alex Green)
4th round: 5 (Josh Sitton, T.J. Lang, Davon House, Mike Daniels, Jerron McMillian)
5th round: 4 (Andrew Quarless, Marshall Newhouse, D.J. Williams, Terrell Manning)
6th round: 5 (Desmond Bishop, Mason Crosby, Jarius Wynn, James Starks, D.J. Smith)
7th round: 7 (Donald Driver, Brad Jones, C.J. Wilson, Ryan Taylor, Lawrence Guy, Andrew Datko, B.J. Coleman)
Unrestricted FA signings: 4 (Charles Woodson, Ryan Pickett, Jeff Saturday, Anthony Hargrove)
Waiver claims: 2 (John Kuhn, Jarrett Bush)
Undrafted/street FAs: 45
Obviously, because of TT, this team is built through the draft.
A few fun facts:
Shortest player: Du'ane Bennett (5'9")
Tallest player: Andrew Datko (6'6")
Lightest player: Sam Shields (184)
Heaviest player: Ryan Pickett (340) [If Raji's listed weight of 337 is to be believed]
Youngest player: Randall Cobb (beats Datko by 7 days)
Oldest player: Donald Driver
University featuring most players: Arkansas (4: DJ Williams, Brett Goode, Ray Dominguez, Grant Cook)
3 players each from: Minnesota, Ohio St, USC
2 players each from: Boston College, Buffalo, Cal, Colorado, Georgia Tech, Iowa, Kentucky, Middle Tennessee St, North Carolina, TCU, Utah St, Vanderbilt, VA Tech