Electrifying early and too late, the San Diego Chargers just didn't have enough juice.
They scored on a gorgeous touchdown pass from Philip Rivers to Vincent Jackson just four plays and barely two minutes into Sunday's game, but the Chargers couldn't sustain their fast-and-furious start and had their season end with a 35-24 playoff loss to the Pittsburgh Steelers.
After stunning the Indianapolis Colts in the AFC wild-card game last week, the Chargers (9-9), who won their final four regular-season games to make the postseason, traveled to the snow-dusted hills of Western Pennsylvania looking to shock the Steelers (13-4).
But Pittsburgh would have none of it as the Steelers' top-ranked defense swarmed over Darren Sproles, cutting the pesky 5-foot-6 running back down to size for most of the game.
Sproles, who had 328 all-purpose yards and a game-winning 22-yard TD run to beat the Colts, finished with 15 yards rushing -- San Diego's total -- on 11 carries.
Even when Sproles finally got loose on a 63-yard kickoff return in the third quarter to Pittsburgh's 23, the Chargers, who were without star LaDainian Tomlinson, couldn't capitalize.
On the next play, Rivers' pass for Jackson was tipped by Brett Keisel and intercepted by Larry Foote all but ending San Diego's final bid for an upset.
The Chargers were able to stop the Steelers following the turnover, but they gave the ball right back on a play that perhaps best defined their day.
On fourth down, Chargers punter Mike Scifres kicked deep into Pittsburgh territory where the ball struck safety/coverman Eric Weddle on the lighting bolt logo of his helmet as he was running downfield to make the tackle and the Steelers recovered.
The Chargers never did.
"That was crazy," Rivers said. "That's the way it goes sometimes."
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Sproles caught a short pass and turned it into a 62-yard TD with 1:53 left, but by then the Steelers were already looking ahead to next Sunday's title game against Baltimore.
The Chargers will remember the third quarter as when it all got away.
San Diego's defense couldn't stop Pittsburgh as the Steelers held the ball for an astonishing 14:43 to just 17 seconds for San Diego.
It had all started so well for the Chargers, who came in 0-13 in regular-season games in Pittsburgh but had won twice here in the playoffs.
Rivers opened 8-of-9 and looked comfortable in the pocket as he surveyed the field. But the Steelers began to bring the heat about the time the sun set, and it wasn't long before San Diego's QB was scrambling every time he dropped back.
In the fourth quarter, Rivers was slammed hard to the frozen field by LaMarr Woodley on the edge of the end zone. Rivers wobbled as he tried to get up and then staggered slightly like a fighter looking for his corner after surviving a late-round flurry.
Rivers finished 21-of-35 for 308 yards with three TDs. He was sacked four times.
The Chargers couldn't have imagined returning to Pittsburgh, where they lost 11-10 on Nov. 16 -- the first of three straight losses that dropped them to 4-8.
They may be wondering why they came back.
