Just checking out some recent tweets from TribLive and Kaboly mentioned that the Steelers have allotted $5.13 million in cap space to sign their rookies for this year. Total value of those deals can't exceed more than $28.25 million.
David DeCastro will get a 4 yr. deal with a 5th year option that the team can pick up if they choose too. The rest of the draft picks will all sign 4 yr. deals. Undrafted free agent players will all get 3 yr. deals.