According to Mark Kaboly of the Pittsburgh Tribune-Review, the Steelers have signed kicker Shayne Graham and running back Jonathan Dwyer.
Steelers sign K Shayne Graham, RB Jonathan Dwyer and C Fernando Velasco. Expect Velasco to start on Monday night
— Mark Kaboly (@MarkKaboly_Trib) September 9, 2013
The Steelers also placed Larry Foote, Maurkice Pouncey and LaRod Stephens-Howling on injured reserver.