PITTSBURGH - The past means nothing to the Jacksonville Jaguars in Pittsburgh, and neither does a frantic Steelers fourth-quarter rally. The Jaguars overcame both obstacles there for the second time in three weeks, and next up might be another date with history.

Josh Scobee saved the game by kicking a 25-yard field goal with 37 seconds remaining and the Jaguars came back after squandering an 18-point lead in the fourth quarter to beat the Steelers 31-29 on Saturday night in an AFC wild-card game that was wild in every sense of the word.

Jacksonville, becoming the first opponent to win twice in Pittsburgh in the same season in the Steelers’ 75-season history, appeared to be done after Najeh Davenport’s second 1-yard TD run of the game gave the Steelers a 29-28 lead with about six minutes remaining. But quarterback David Garrard, not an exceptional runner, found a seam on a convert-or-else fourth-and-2 play and rambled 32 yards to the Steelers 11 with 1:56 left.

“Right before we went out, I pulled the guys together and said, ‘Guys, you got to love it, this is what we’re here for,”’ coach Jack Del Rio said. “Now let’s go out and make some plays and win it.”

The Jaguars will play unbeaten New England in Foxborough on Saturday night, unless the Titans upset the Chargers in the other AFC wild-card game Sunday. If that happens, Jacksonville will play next Sunday at Indianapolis.

Garrard aided the Steelers’ comeback by throwing two interceptions — one less than he had all season — only to come up with the play that may have saved the Jaguars’ season.

“They kind of lost their gaps, they thought pass, I was able to get through there,” Garrard said. “I just wanted to get a first down. I did enough to get into field-goal range and that was all I was thinking about.”

Steelers linebacker Larry Foote argued emphatically that Jacksonville’s offensive line held on Garrard’s run.

“I don’t want to get fined, but watch the long quarterback sneak,” Foote said. “Watch the middle of the defensive line and you’ll see. You’ll see it. Watch what happens in the middle of the field. ... You see a big old hole open up and you’ll see the reason why.”

Ben Roethlisberger (29-of-42, 337 yards) put the Steelers into a deep hole himself by throwing three interceptions before halftime, then got rolling after he began lining up in a shotgun formation and threw touchdown passes to Santonio Holmes (37 yards) and Heath Miller (14 yards) in 4½ minutes of the fourth quarter to get Pittsburgh within 28-23.

“Just kind of in disbelief and shock right now,” Roethlisberger said. “We are a worn-down team. We are physically drained. Mentally drained. It’s tough.”

Of his own play, Roethlisberger said: “I’m ashamed. I told the guys I apologize.”

The Steelers rallied from 15 points down to tie Jacksonville late in the Jaguars’ 29-22 win at Heinz Field on Dec. 16, but couldn’t close the deal. They couldn’t this time, either, even though Roethlisberger, shouldering the Steelers’ offense virtually by himself with no running game, was 17-of-23 for 263 yards and two touchdowns in the second half. Hines Ward made 10 catches for 135 yards, but the Willie Parker-less Steelers ran for only 43 yards on 26 carries.

Pittsburgh also came up two points short by gambling, perhaps unwisely, for 2-point conversions after each of its final two touchdowns and getting neither. If the Steelers had kicked both times, Scobee’s field goal would have only tied it.

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“It’s very disappointing, everyone’s fired up,” linebacker Clark Haggans said. “We fought hard. We came up short. It was a play here, a play there.”

The Jaguars have beaten Pittsburgh four times in the last three seasons, including that Dec. 16 win, and they appeared ready to do easily by building a 28-10 lead behind backup running back Maurice Jones-Drew’s playmaking and Rashean Mathis’ two important interceptions.

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Then, in less than only about eight minutes, they almost gave away their season.

“I was very proud of our guys for responding after watching that 18-point lead evaporate,” Del Rio said. “Certainly, getting this experience will benefit our football team. We wanted to stay calm, stay poised and understand that that’s what you need to do, make some plays. We needed every bit of them.”

Jones-Drew, in a performance filled with big plays, scored on a 43-yard swing pass after one of Roethlisberger’s interceptions and a 10-yard run that provided the 18-point lead. Jones-Drew’s 96-yard kickoff return the first time Jacksonville touched the ball set up Fred Taylor’s 1-yard touchdown run and immediately answered the Steelers’ opening-possession 80-yard touchdown drive.

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Taylor, who ran for 147 yards in Pittsburgh last month and had 381 yards in his last two games there, was held to 48 yards on 16 carries and, but it didn’t matter.

“It was a tough way to get a win and we got one,” Jones-Drew said.