NFL scores: Tennessee Titans vs. Kansas City Chiefs RECAP, score and stats (1/6/18) | NFL Playoffs 2018

Running back Kareem Hunt will lead the Kansas City Chiefs against the Tennessee Titans in an AFC Wild Card playoff game on Saturday. (Jamie Squire | Getty Images)
Running back Kareem Hunt will lead the Kansas City Chiefs against the Tennessee Titans in an AFC Wild Card playoff game on Saturday. (Jamie Squire | Getty Images)

The 5th seeded Tennessee Titans, led by quarterback Marcus Mariota, met the 4th seeded Kansas City Chiefs, led by quarterback Alex Smith and running back Kareem Hunt, in an NFL AFC Wild Card playoff game on Saturday, January 6, 2018 (1/6/18) at Arrowhead Stadium in Kansas City Missouri.

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Here's the AP recap:

KANSAS CITY, Mo. (AP) -- Marcus Mariota led Tennessee to three second-half touchdowns, incredibly throwing one of his TD passes to himself, and the Titans rallied from a 21-3 deficit to beat the Kansas City Chiefs 22-21 on Saturday for their first playoff win in 14 years.

Mariota threw for 205 yards and two scores, including the 22-yard go-ahead strike to Eric Decker with just over six minutes left that ushered the Titans into the divisional round of the playoffs.

"Special, special," Mariota said. "I'm a part of a great team. I'm a part of a group of guys that really just believe in each other. And, it's something special and I'm look forward to playing next week."

They'll head to New England or Pittsburgh next week.

Derrick Henry had a career-high 156 yards rushing and another score for Tennessee (10-7), while a defense that was fileted by Alex Smith and the Chiefs (10-7) during the first half pitched a shutout in the second half -- dooming the Kansas City franchise to another humiliating postseason defeat.

The Chiefs haven't won a home playoff game since January 1994.

Smith threw for 264 yards and two touchdowns, but most of that came before halftime. He couldn't get on track in the second half and misfired on fourth-and-9 at the Titans 44 with just over two minutes to go, denying the Chiefs a chance for Harrison Butker to kick a go-ahead field goal.

The letdown was made even more depressing when Henry appeared to fumble as Tennessee tried to run out the clock.

The Chiefs' Derrick Johnson picked up the ball and returned it for a touchdown with 1:47 to go, but a video replay showed that Henry was down and the call was overturned.

Tennessee succeeded in running out the clock from there.

In the first half, the Chiefs looked every bit the team that had won four straight in convincing fashion, and the Titans looked every bit the team that backed into the playoffs.

Kareem Hunt, the league's top rusher this season, plunged in from 1 yard for a 7-0 lead, and Smith hit Travis Kelce with a 13-yard touchdown pass a few minutes later. Smith added another touchdown toss to Demarcus Robinson on the final offensive play for a 21-3 lead at the break.

Smith was 19 of 23 for 231 yards in the half. Mariota was 7 of 13 for 81 yards and a pick.

The Titans' young quarterback got on track in the second half, though, converting a couple of key third downs -- one of them with his legs -- in marching his team 91 yards. He capped it by throwing the first TD pass to himself, the first player to accomplish the feat in playoff history.

The previous player to do it in any game was the Vikings' Brad Johnson during the 1997 season.

"Right place, right time," Mariota said with a smile.

Tennessee nearly squandered its momentum when Adoree Jackson fumbled a punt, but the Chiefs were unable to pick up a first down and Butker knocked a 48-yard field goal off the upright.

This time, it was Henry who led the Titans downfield, capping another TD drive by rumbling nearly untouched 35 yards right up the middle to get within 21-16 with 14:08 to go.

"Grit. It's just grit," Henry said of his team's rally.

"You've got to believe in each other, man. We were down like this last year and we came back. We told them we've got 30 minutes left, all we've got to do is play our game, execute the plays and everything will take care of itself."

The Chiefs' offense had been rendered impotent by that point, unable to move the ball much after Kelce left with a concussion in the first half. The Titans blanketed Tyreek Hill whenever he touched the ball, and they stacked the box to slow Hunt down in obvious rushing situations.

The Titans finally pulled ahead when Mariota threw a strike to Decker from 22 yards, and that led to a moment of controversy. The Titans went for a 2-point conversion and the field-goal edge, and Mariota lost the ball as he was getting sacked by the Chiefs' Daniel Sorenson.

Frank Zombo picked it up and began running for two points that would have swung the lead back to Kansas City, but the officials had ruled that Mariota's progress had been stopped.

It wound up being a crucial call in a game that came down to the wire.

RECORD RALLY

Only two road teams have rallied from at least 18 down to win a playoff game in NFL history. The Cowboys came back from 21-3 down in the first half to beat the 49ers 30-28 in December 1972, and the Lions came back from 27-7 in the second half to beat the 49ers in December 1957.

KELCE HURT

Kelce sustained a concussion on a wicked blow from Titans S Johnathan Cyprien late in the first half. Kelce, who had four catches for 66 yards, lay stunned on the turf for a moment before wobbling toward his huddle. Trainers quickly took him to the locker room.

UP NEXT

The Titans' opponent in the divisional round will be decided Sunday. If the Jaguars beat the Bills in their wild-card matchup, Tennessee heads to New England to face the No. 1 seed. If Buffalo wins, the Titans head to face No. 2 seed Pittsburgh.

Here are NJ Advance Media's picks and predictions for the game.

Here's what you need to know:

Who: Titans vs. Chiefs

What: AFC Wild Card game 2018

When: Saturday, Jan. 6, 2018

Where: Arrowhead Stadium, Kansas City

Time: 4:35 p.m. Eastern

TV: ESPN and ABC

Livestream: WatchESPN

Line: Chiefs -9

Injury report:

Titans notes: QB MARCUS MARIOTA is making 1st career postseason start. Is 1 of 5 QBs in NFL history with 9,000+ pass yards (9,476) & 900+ rush yards (913) in 1st 3 seasons. Since entering league in 2015, has 39 TD passes vs. 0 INTs in red zone, highest TD/INT ratio in NFL over span. * RB DE MARCO MURRAY has 225 scrimmage yards (112.5 per game) & 2 rush TDs in 2 career postseason games. Leads NFL with 43 rush TDs & ranks 2nd in league with 5,614 rush yards since 2013. Had 141 scrimmage yards (89 rush, 52 rec.) in last game vs. KC. RB DERRICK HENRY led team with career-high 744 rush yards. Had 3 65+ yard TDs from scrimmage in 2017, most in NFL. * TE DELANIE WALKER led team with 74 catches & 807 rec. yards. Is 1 of 2 NFL TEs (TRAVIS KELCE) with 800+ rec. yards in each of past 4 seasons. WR ERIC DECKER has 30 catches for 415 rec. yards (83 per game) with 7 TD catches in his past 5 vs. KC. WR RISHARD MATTHEWS had 105 rec. yards in last meeting. * LB WESLEY WOODYARD led team with career-high 121 tackles. Was 1 of 2 players in NFL (DEMARIO DAVIS) with 100+ tackles & 5+ sacks (5). LB AVERY WILLIAMSON is 1 of 4 in team history with 2+ seasons with 90+ tackles (92) & 3+ sacks (3). S KEVIN BYARD tied for NFL lead with 8 INTs, 3rd most by safety in team history. Had league-leading 3 multi-INT games in 2017. Rookie CB ADOREE' JACKSON was only NFL CB with 70+ tackles (70) & 15+ PD (17). DT JURRELL CASEY had 6 sacks, his 5th consecutive season with 5+ sacks.

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Chiefs notes: QB ALEX SMITH led NFL with career-high 104.7 rating & was 1 of 3 QBs (TOM BRADY & DREW BREES) with 4,000+ pass yards (4,042) & fewer than 10 INTs (5). Has 3,000+ pass yards & fewer than 10 INTs in 5 consecutive seasons, longest streak in NFL history. Ranked 3rd in NFL with 67.5 comp. pct. (341 of 505). In 6 career postseason games, has 12 TD passes vs. 2 INTs for 94.5 rating. * RB KAREEM HUNT led NFL with franchise rookie record 1,327 rush yards & is 2nd rookie not selected in 1st round (PAUL ROBINSON in 1968) to lead his league in rush yards since 1967. Led all rookies & ranked 3rd in NFL with 1,782 scrimmage yards. Aims for 5th in row with rush TD. * TE TRAVIS KELCE led all NFL TEs with 83 catches & ranked 2nd with 1,038 rec. yards. Is 1 of 2 players in franchise history (TONY GONZALEZ) with consecutive seasons with 80+ catches & 1,000+ rec. yards. Has 75+ rec. yards in 2 of past 3 in postseason. WR-PR TYREEK HILL ranked 4th in AFC with career-high 1,183 rec. yards. Had 6 50+ yard TDs (5 rec., 1 PR), most in NFL. WR ALBERT WILSON aims for 3rd postseason game in row with TD catch. * LB JUSTIN HOUSTON led team with 9.5 sacks. Since entering league in 2011, has 69.5 sacks, 5th most in NFL. Has 3 sacks in past 3 vs. Ten. CB MARCUS PETERS has 4 PD & INT in 3 career playoff games. Is only NFL player with 5+ INTs in each of past 3 seasons. Since entering league in 2015, leads league with 19 INTs & 55 PD. S DANIEL SORENSEN was 1 of 5 NFL safeties with 80+ tackles (88), sack (1.5) & INT (1). -- NFL Communications