The Steelers have lost three in a row. They are headed to four in a row at this rate.
Pittsburgh took the opening kickoff and gained no yards on three Ben Roethlisberger incompletions, forcing a quick punt.
The Colts scored a touchdown, giving them six consecutive games with at least one touchdown in the first quarter.
They went 70 yards in nine plays, with Jonathan Taylor scoring on a 6-yard run with 9:48 remaining in the first quarter. Taylor had four carries for 21 yards.
Taylor scored four touchdowns in the previous three games.