LIVE: Steelers beat Colts on 'Monday Night Football'

The Indianapolis Colts host the Pittsburgh Steelers on "Monday Night Football" in NFL Week 12 action.

The Colts (4-6-1) are trying to work their way into playoff contention and can't afford a slip-up here. The Steelers (3-7) are trying to prevent coach Mike Tomlin from suffering his first sub-.500 season.

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Final: Steelers 24, Colts 17

One excellent quarter is not enough for the Indianapolis Colts.

Matt Ryan completes 22-of-34 passes for 199 yards and a touchdown to Michael Pittman Jr. Jonathan Taylor rushes for 86 yards and a touchdown.

The Colts score 14 points in the third quarter but otherwise struggle on offense. They average 45 yards on 5 kickoff returns.

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The Colts had the NFL's No. 2 rush defense coming in, but the Steelers have little trouble in gaining 172 yards. Bennie Snell, in relief of the injured Najee Harris, gains 62 yards and scores the fourth-quarter touchdown.

Kenny Pickett completes 20-of-28 passes for 174 yards.

The Colts (4-7-1) are on national TV next weekend when they visit the Dallas Cowboys on "Sunday Night Football."

:24 left 4Q: Colts fail on downs

Colts fail on 4th-and-3 when Matt Ryan's pass to Parris Campbell falls incomplete. They leave two timeouts unused.

Colts convert 4th-and-3 when Matt Ryan hits Michael Pittman Jr. for 4 on a tipped pass. They are at Pittsburgh's 33.

3:52 left 4Q: Colts are 93 yards from tying

Steelers punt and the Colts take over at their 7. Colts cornerback Kenny Moore II has left the game with a shin injury.

7:50 left 4Q: Steelers stop the Colts

Colts go 3-and-out, including a sack. Steelers have it at their 27 after the punt.

9:55 left 4Q: Steelers retake the lead

Bennie Snell runs in from 2 yards to complete a 75-yard drive. Kenny Pickett hits George Pickens for the 2-point conversion. Steelers 24, Colts 17

Kenny Pickett hits George Pickens to convert the 3rd-down play for Pittsburgh's first 1st down of the second half, and E.J. Speed roughs Pickett. The Steelers are in Colts territory.

:16 left 3Q: Colts take the lead on the Steelers

Michael Pittman Jr. gets a 6-yard touchdown from Matt Ryan. The Colts have 152 yards in the third quarter. Colts 17, Steelers 16

Somehow, Matt Ryan has passed Kenny Pickett for passing yards in this game. Jelani Woods has 7 catches for 81 yards.

4:29 left 3Q: Colts fumble the ball away

The Colts drive for more than 7 minutes and 87 yards, but Matt Ryan's handoff to Jonathan Taylor from the 1 hits the turf, and the Steelers recover. It's Ryan's first fumble in 4 games.

The Steelers jump offside on Chase McLaughlin's 32-yard field goal, which he makes. First down and goal, Colts.

11:55 left 3Q: Colts stop Steelers, get the ball back

Colts stop Anthony McFarland Jr. on 3rd-and-inches, and the Steelers punt. Colts start from their 12.

13:04 left 3Q: Colts strike fast after kickoff return

Jonathan Taylor runs in from 2 yards. Steelers 16, Colts 10

Dallis Flowers returns the kickoff from 8 yards deep to the Steelers 19. That's 89 yards. The Colts are averaging 49 yards on 4 kickoff returns.

Halftime: Steelers 16, Colts 3

Chase McLaughlin's 59-yard field goal try is blocked to end the first half.

The Colts have been anemic on offense and porous on defense.

Matt Ryan is 5-of-13 for 36 yards and an interception. Jonathan Taylor has 34 rushing yards and 11 receiving. Isaiah Rodgers has averaged 35.7 yards on 3 kickoff returns.

Pittsburgh quarterback Kenny Pickett is 14-of-18 for 133 yards, and he has 34 rushing yards. The Steelers have used multiple backs to gain 116 rushing yards. Dionte Johnson has 4 catches for 44 yards.

Pittsburgh's offense has its best half of the season despite Yannick Ngakoue's 2 sacks. The Colts allow an uncharacteristic 232 yards in 22 minutes of Steelers possessions.

The lone touchdown is from Najee Harris, who is out for the second half with an abdominal injury.

:56 left 2Q: Steelers 16, Colts 3

George Pickens couldn't hang on to a pass in the end zone. Matthew Wright hits from 25 yards. Steelers 16, Colts 3

3:48 left 2Q: Colts get on the board

Chase McLaughlin hits from 51 yards. Steelers 13, Colts 3

Indianapolis crosses midfield for the first time, and Matt Ryan's second completion goes to Michael Pittman Jr. for 10 yards.

Jonathan Taylor has all of the Colts' positive yardage in the game through the 5:50 mark, including Matt Ryan's first completion with less than 7 minutes left.

7:46 left 2Q: Steelers drive for a touchdown

Najee Harris scores from 6 yards. Pittsburgh's yardage advantage is 164-6. Steelers 13, Colts 0

Steelers rookie George Pickens makes a terrific catch along the sideline and gains 35 yards.

13:17 left 2Q: Colts go 3-and-out again

Steelers start at their 20 after a punt.

Matt Ryan is 0-of-4 passing with 1 interception. Jonathan Taylor has 13 rushing yards. Colts center Ryan Kelly is down on the field after third down, and Danny Pinter prepares to take over.

14:14 left 2Q: Doink! And the Steelers score again

Matthew Wright nicks the right upright, but it goes through from 52 yards. Steelers 6, Colts 0

End 1Q: Steelers 3, Colts 0

The Colts have run 5 plays, yielding 0 total yards with 1 turnover. The Steelers have run 21 plays for 81 yards. Pittsburgh is at the Colts 38, facing 3rd-and-12.

3:00 left 1Q: Colts go 3-and-out

Two Jonathan Taylor runs get 7 yards before Matt Ryan is sacked on 3rd down. That's a coverage sack. Colts punt and Pittsburgh takes over at its 39.

4:58 left 1Q: Yannick Ngakoue meets Kenny Pickett twice

Yannick Ngakoue has 2 sacks, now 8.5 on the season, and the Steelers punt into the end zone.

Yannick Ngakoue extends his team lead to 7.5 sacks one play after Kenny Pickett scrambles to convert a 3rd-down play.

9:09 left 1Q: Colts commit a turnover

James Pierre intercepts Matt Ryan on the Colts' second play from scrimmage. The first play could've been intercepted, too. Pittsburgh has it at the Colts 38.

9:27 left 1Q: Steelers get a field goal

Matthew Wright hits from 45 yards. Steelers gain 3 first downs on their opening drive. Steelers 3, Colts 0

ESPN said in its intro that there are 43% Steelers fans in Lucas Oil Stadium.

Colts, Steelers inactives

Colts: WR Keke Coutee, QB Nick Foles, C Wesley French, TE Kylen Granson, DE Khalid Kareem, DE Ifeadi Odenigbo, DE Kwity Paye.

Steelers: QB Mason Rudolph, WR Miles Boykin, CB Josh Jackson, CB Ahkello Witherspoon, RB Jaylen Warren, LB Robert Spillane, G Kendrick Green.

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This article originally appeared on Indianapolis Star: Colts vs. Steelers score updates, highlights on Monday Night Football