When he left in free agency, he probably assumed that was it with his time in the city that brought him in. It was the Pittsburgh Steelers who drafted Sean Spence in the third round of the 2012 NFL Draft, and who stood by him through a career-threatening injury that helped rob him of his first two seasons in the league.
He ended up making it all the way back to the field and was a regular presence in his third and fourth seasons with the Steelers, getting the opportunity to start a number of games due to injuries to Ryan Shazier.