Yes, the Colts played the Steelers on September 25, 2011. The Steelers won 23-20.
Limas Sweed was a wide receiver for the Pittsburgh Steelers. He was waived in mid-September 2011.
The Steelers played the Seahawks on September 18, 2011. The game was at Heinz Field in Pittsburgh, not Seattle. The Steelers won, by the score of 24-0.
The Steelers played the Colts in week 3 of the 2011 season (September 25th). The Steelers won the game 23-20.
The Steelers will play again in September 2012.
The Steelers are not scheduled to play the Buffalo Bills in 2011.
The Steelers did not play on November 20, 2011, it was their bye week.
On October 2, 2011, the Steelers play the Houston Texansin Houston.
The Eagles and Steelers did not play each other during the 2011 season.
September of 2012.
The Pittsburgh Steelers play in the AFC North.