Josh Allen leads Bills past Steelers into showdown vs. Chiefs

That's it. Time runs out on the Steelers, and the Bills secure a 31-17 win. Josh Allen threw for three touchdowns and ran for a fourth. Up next, a showdown with the Kansas City Chiefs in the divisional round.

The Bills hold on fourth-and 3 and take over on downs with 4:50 remaining. With a 31-17 deficit, the Steelers need a miracle.

Wow. What a play. Khalil Shakir turns a should-be short gain into a touchdown after escaping the grasp of Minkah Fitzpatrick. Shakir makes the catch from Josh All rumbles through the Steelers defense for a 17-yard score in an impressive answer by the Bills. Buffalo leads, 31-17 late in the fourth quarter.

We've got a ball game. Mason Rudolph finds Calvin Austin III for a touchdown to cut Buffalo's lead to 24-17. 10:32 remaining in regulation.

George Pickens is making plays on this Pittsburgh possession.

The third quarter's here, and Pittsburgh's still in it. The Steelers are into Buffalo territory with a 24-10 deficit.

Steelers cornerback Joey Porter Jr. is walking to the locker room after getting sandwiched on a tackle on Buffalo's last drive. 

Steelers hold Bills to a field-goal attempt on a drive to the Pittsburgh 27-yard line. Tyler Bass connects from 45 yards to extend Buffalo's lead to 24-10.

Bills left guard Connor McGovern is back in the game after missing one play.

Bills linebacker Terrel Bernard has been ruled out. And left guard Connor McGovern is down on the field with an apparent injury.

Bills roll the dice on fourth-and-1 near midfield. Josh Allen surges on a sneak to the left — again — and picks up the first down. This play has proven very difficult to stop.

Terrel Bernard having X-rays on his injured ankle:

Steelers settle for a field goal attempt after driving inside the Buffalo 25. Chris Boswell is good from 40 yards to cut Buffalo's lead to 21-10.

Bills linebacker Terrel Bernard leaving the field on a cart with an apparent leg injury. He's sitting up and talking with teammates, but his day looks done.

Steelers force a three-and-out on Buffalo's first possession of the half. Bills punter Sam Martin suffered a hamstring injury in the first half, but looked fine on a 45-yard punt. Pittsburgh takes over with a chance to cut its deficit to one possession.

Something to watch in the second half. Bills punter/holder Sam Martin injured his hamstring on Pittsburgh's blocked field goal. He's questionable to return. Kicker Tyler Bass was seen practicing punts at halftime.

Bills kneel to end the half after failing to get into scoring position and lead, 21-7 at halftime. They've largely dominated, but a late Steelers touchdown has kept Pittsburgh in the game. Buffalo holds a 245-149 edge in total yardage and a 17:27-12:33 advantage in time of possession.

With T.J. Watt sidelined, Pittsburgh's struggling to do anything to hinder Josh Allen.

Pittsburgh's on the board. Mason Rudolph finds Dionate Johnson for a 10-yard touchdown inside the 2-minute warning to capitalize on the blocked field goal. Big touchdown to keep within in striking distance before halftime. Bills lead, 21-

The Steelers come up with a huge block just before halftime — and the Bills punter pulled up grabbing his hamstring late in the play. Pittsburgh is now in Buffalo territory

The Bills already have the ball back, and they're cruising again. Josh Allen just hit Deonte Harty for a 33-yard gain to put them in scoring position ahead of the two minute warning.

That was the second-longest quarterback touchdown run in NFL postseason history, behind only Colin Kaepernick.

Oh my, Josh Allen! He just broke out a 52-yard touchdown run, and the Steelers can't seem to bring him down. That's a 21-0 lead for Buffalo midway through the second quarter.

Well, the Bills got the ball back anyways. They come up with the interception in the end zone.

Sure looked liked the Bills recovered, but officials somehow determined that it was out of bounds. Steelers retain the ball, and the Bills are out of challenges thanks to a very questionable replay review decision.

Pat Friermuth just fumbled after a big gain on first down. Officials ruled the ball out of bounds on the field, but the Bills are challenging that they recovered in bounds.

Strong hold from the Steelers. Force a three-and-out with the game threatening to get out of hand. They'll start inside their own 10 trailing, 14-0 late in the first.

Another three-and-out for Pittsburgh, and Buffalo has the ball back again with a 14-0 lead late in the first.

Snowball flurries are the celebration of choice today:

Bills respond with a 29-yard touchdown pass from Josh Allen to Dalton Kincaid on the first play after the turnover. 14-0, Bills:

Close call on the field. George Pickens lost control of the ball after a catch. Officials initially ruled it an incomplete pass, but reversed the call to a fumble after a Bills challenge. Bills take over in Steelers territory after recovering the loose ball.

Dalton Kincaid can't hold on to a third-and-2 pass thrown behind him, and the Bills will punt.

Steelers get pressure for the first time, and Josh Allen responds with an eight-yard scramble

Bills force a three-and-out and have the ball back with a 7-0 lead.

Josh Allen finds Dawson Knox in the end zone. Surgical opening drive from the Bills offense to take a 7-0 lead.

Strong mix of run and pass early for Buffalo. Stefon Diggs and James Cook with multiple touches.

Steelers pick up a first down but stall a midfield. Punt upcoming.

The Bills won the toss and deferred. Pittsburgh will have the ball first on a clear but cold day in Buffalo.

Good decisions happening at this Bills tailgate:

The blizzard has passed, but it's still gonna be a cold one in Buffalo: