The Steelers trailed by 14 points to the Colts in the third quarter but managed to comeback and secure a 20-17 win on a 33-yard field goal by Chris Boswell as time expired.
Ben Roethisberger threw a pair of touchdown passes in the comeback.
Pittsburgh is 7-2 and have a three-game lead in the division. They host Tennessee in this week’s Thursday night game.
