The Pittsburgh Steelers signed 13 players to reserve/future contracts on Wednesday: Long snapper Cal Adomitis, defensive tackle Kyler Baugh, receiver Cole Burgess, defensive end Anthony Goodlow, defensive back Daequan Hardy, defensive back Jack Henderson, defensive end K.J. Henry, receiver Max Hurleman, offensive guard Steven Jones, running back Lew Nichols, receiver John Rhys Plumlee, linebacker Julius Welschof and offensive tackle Aiden Williams.