The 2015 season was the Pittsburgh Steelers' 83rd in the National Football League (NFL), their 16th under general manager Kevin Colbert and their ninth under head coach Mike Tomlin.

Getting the ball back with seconds left, Ben Roethlisberger found Antonio Brown on an 11-yard touchdown pass for a final score of 28–21.

After a scoreless third quarter, the Niners went to work in the fourth when Colin Kaepernick found Anquan Boldin on a 14-yard TD pass to move behind 29–10.

The Niners drew closer when Kaepernick found Torrey Smith on a 75-yard TD pass (with a successful 2-point conversion) to make the score 36–18.

Coming off their big home win over San Francisco, the Steelers traveled to St. Louis to take on the Rams in the Edward Jones Dome.

Pittsburgh got on the board early with a Josh Scobee field goal, and held the Rams scoreless for the first quarter.

But, the returning Le'Veon Bell scored on a one-yard run in the second quarter; Pittsburgh failed to convert on a two-point play, but lead 9–3.

Quarterback Ben Roethlisberger injured his left knee mid-third quarter; he was carted off-field and Michael Vick replaced him for the remainder of the game.

Justin Tucker made a 52-yard field goal with 5:08 left in overtime to give the Baltimore Ravens a 23–20 victory over the Pittsburgh Steelers on Thursday night.

Tucker tied it with 3 seconds to go in regulation after Pittsburgh's Josh Scobee missed a pair of kicks that would have given the Steelers some cushion.

Tucker then won it in the extra period after the Steelers failed to convert a pair of fourth downs in Baltimore territory.

Michael Vick threw for 124 yards and a score and avoided committing any turnovers while starting in place of the injured Ben Roethlisberger.

In the 4th quarter the Chargers scored 10 points first tying the game 10–10 when Josh Lambo kicked a 40-yard field goal followed up by Rivers and Gates hooking up again this time on an 11-yard TD pass for a 17–10 lead.

3rd-string QB Landry Jones replaced Michael Vick for the rest of the game and threw his first career TD to Martavis Bryant from 8 yards out (with a failed 2-point conversion) and a 12–10 lead.

In the second quarter, it was all Chiefs when Santos nailed 2 more field goals: from 27 and 22 yards out moving ahead 6–3 and the eventual halftime score of 9–3.

Backup QB Landry Jones was able to find Martavis Bryant on a 19-yard pass to make the score 16–10 for the Steelers later on in the third quarter.

However, the Chiefs eventually sealed the win when Alex Smith found Chris Conley on a 6-yard pass for a final score of 23–13.

Not only did they lose the game, but they also lost star running back Le'Veon Bell for the season due to a torn MCL.

The Steelers closed the half when Williams ran for another 3-yard TD and Boswell kicked a 38-yard field goal for leads of 18–14 and then 21–14 at halftime.

After the break, the Raiders went back to work tying the game up 21–21 when Carr found Clive Walford on a 1-yard pass for the only score of the third quarter.

Getting the ball back with seconds left, the Steelers had to depend on backup QB Landry Jones to help them get within field goal range.

Backup QB Landry Jones started the game, but left due to injury and was replaced by Ben Roethlisberger.

The Steelers later on would wrap the game up when Roethlisberger and Brown hooked up again this time on a 56-yard pass (with a failed PAT) for the final score of 30–9.

In the third quarter, the Steelers went back to work as William Gay picked off A. J. McCarron and returned it 23 yards for a TD for a 23–7 game.

The Steelers also fell out of the AFC Wildcard race and would need a win coupled with a loss by the New York Jets in Week 17 in order to make the playoffs.

The Browns were able to shorten the lead to 1 point when Coons nailed another field goal in the second quarter from 39 yards out for a 7–6 game.

After trailing 15–0 in the fourth quarter the Bengals took a 16–15 lead late in the game, but a last-minute field-goal drive led to an 18–16 win for the Pittsburgh Steelers.

Ben Roethlisberger (shoulder) and Antonio Brown (concussion) both left the game with injuries and both teams were penalized a combined 18 times for 221 yards.

"Big Ben" did re-enter the game with 1:43 remaining in the fourth quarter to lead the Steelers into field goal range for the winning acore.

Both teams would get off to slow starts with field goals in the third quarter: The Steelers moved ahead by 4 when Boswell nailed one from 28 yards out for a 13–9 game.