The 26-year-old grew up in Pennsylvania and attended college in Pittsburgh before being drafted by the Arizona Cardinals in the 2009 draft.
Stephens-Howling returned to his hometown state after Mike Tomlin's side signed him up in free agency.
"It's a great feeling — a homecoming feeling," Stephens-Howling told reporters.
"But after all that excitement gets out of the way, we're still at training camp and we're working hard to get a job on the 53. It doesn't matter where you're at, that's it."
Stephens-Howling has scored 11 touchdowns during his four years in the league.