The Steelers came to contract terms with Quadree Henderson of Pitt as a candidate to return punts for them, one of 13 undrafted rookie free agents who agreed to sign with them Saturday.
Henderson, a wide receiver, Penn State defensive tackle Parker Cothren and linebackers Olasunkanmi Adeniyi of Toldeo and Matthew Thomas of Florida State were among the group of rookies added to their 90-man roster after the draft.
The others: Jarvion Franklin, RB, Western Michigan; Greg Gilmore, DE, LSU; Trey Johnson, CB, Villanova; Pharoah McKever, TE, North Carolina State; Patrick Morris, C, TCU; Ikenna Nwokeji, OL, Elon; Chris Schleuger, G, UAB; Jamar Summers, CB, Connecticut; Kendal Vickers, DE, Tennessee.