The Pittsburgh Steelers this afternoon have signed former Pitt tight end Dorin Dickerson to their practice squad. Dickerson was the Texans 7th round pick in 2010. He was released in training camp by Houston, after struggling to make the switch to wide receiver. Dickerson worked out for the Steelers last week, along with four others. The Steelers are believed to like him as a tight end. To make room for Dickerson, the team released TE Jamie McCoy