Under first-year head coach Ted Marchibroda, the Colts finished the 1975 season with 10 wins and 4 losses, and tied for first in the AFC East division with the Miami Dolphins; Baltimore won the division tiebreaker based on a head-to-head sweep of Miami — the first sweep of the Dolphins in their six years under head coach Don Shula.
[1][2] The Colts won their opener, lost four straight, then swept their final nine games and narrowly edged the Dolphins for the division title.
[2] The turnaround season became forever known by Colts fans afterward as The Miracle on 33rd Street.
Hired in January, Marchibroda was previously the offensive coordinator for the Washington Redskins under head coach George Allen.
The Steelers defense forced four turnovers and held the Colts to 154 total yards of offense in their 28–10 win.