Quote Originally Posted by sharpe1027 View Post
I am pretty sure the draft picks and undrafted free agents are going to eat up a lot of that cap space. Maybe as much as $15M.
Per lombardiave.com.

Over The Cap projects the Packers will need $3.92 million in cap space to sign their rookie class.

They estimate the class will cost $12.67 million, but the cap hits are significantly lower, as each new player is replacing someone already on the roster.