PHILADELPHIA -- It is all about offense in the NFL, right up until the moment your defense is on the field trying to protect a fourth-quarter lead.
Offense drives fantasy leagues. Offense benefits from virtually every change in the league's rules. Offense gets head coaches like Chip Kelly their jobs.
In the Eagles' past two games, Kelly's potent offense put 24 points on the scoreboard to build big leads. And then, when the game was on the line in the fourth quarter, Kelly's offense stood helpless on the sideline and hoped the defense would save the day.
"We'll take it," outside linebacker Trent Cole said. "We'll take it all day. It doesn't matter what the situation is. If it's on us, we're going to go out there and do what we have to do. It doesn't matter if they back us up on the 5-yard line. We have to go out there and stop them."
The Eagles stopped Carson Palmer and the Arizona Cardinals one last time Sunday to preserve a 24-21 victory. It was the second home win in a row for Philadelphia and the second in which a big second-half lead was in peril in the final minutes.
"I thought the defense literally won the game today," wide receiver Jason Avant said. "To stop a team that was that hot, that had scored a couple touchdowns back to back and to hold them -- what was that a three-and-out? A four-and-out? That's a great job."
It was a great job that left the Eagles at 7-5, tied with Dallas for first place in the NFC East and solidly in the wild-card race. It also establishes the Eagles as one of the more complete teams in the NFC. They may not belong with elite teams such as Seattle and New Orleans, but they have rallied from a 3-5 midseason record with a big-play offense, solid special teams and an increasingly effective defense.
That plays very well in Philadelphia, where fans appreciate a well-executed touchdown throw, but where defense really gets the adrenalin flowing. As bad as the previous two years were here, the worst of it was watching soft, passionless defense by men wearing the uniform of Reggie White, Brian Dawkins and Bill Bergey.
"This is Eagles football," Cole said after getting to Palmer for two of the Eagles' five sacks. "This is the Eagles football that I know. Being here for nine years, this is how we always did it. And we always won in the Linc. We protected our house."
After losing 10 consecutive games in Lincoln Financial Field, the Eagles now have a two-game winning streak here (and four games overall). After getting crushed 52-20 in Denver on Sept. 29, they haven't allowed more than 21 points in their past eight games.
"The guys scrapped and fought and got turnovers and pressured the quarterback," defensive coordinator Bill Davis said. "Our defensive line stepped up and got all kinds of pressure on the quarterback. Our coverage was tight. At the end of the day, we had three more points than they did."
They had 17 more points in the third quarter. Two weeks ago, against Washington, the Eagles had a 24-0 lead in the fourth quarter. Both times, the offense ground to a halt. Kelly's play calling grew conservative and the opposing defense responded by playing with more intensity.
The NFL is all about offense, so there's only so long a defense can hold an opponent in check. Washington scored two touchdowns on fluky plays, made two-point conversions and closed to within 24-16 before Brandon Boykin's interception ended the potential game-tying drive.
After turning the ball over and making other costly mistakes early, Arizona got its offense going for two touchdown drives to make it 24-21 with 4:45 left in the fourth quarter.
Two Arizona defensive penalties gave the Eagles a first down -- and negated what would have been a game-turning interception by Patrick Peterson -- but the offense couldn't run the clock to the two-minute warning. Arizona took over at its own 10 with 2:03 left and two timeouts.
"Against that stout defensive line, it's tough to line up and run the football on them," Kelly said. "It's a good group over there. So again, it's something we need to continue to work on and we've got to get better at."
Until then, it comes down to the defense. For the second game in a row, the defense held. This time, cornerback Bradley Fletcher broke up a fourth-down pass intended for Michael Floyd. There was contact, but Fletcher escaped without drawing a flag.
"It's a timing deal," Fletcher said, "and I was able to do that. We had a blitz on and I was holding my inside leverage and my ground. There was some contact at the break point, and I went and made a play."
It may not be the easiest way to win, but enduring these situations can make the Eagles defense only stronger as the playoff race tightens.
"I like those moments," cornerback Cary Williams said. "It's kind of a bittersweet situation. You never want to be put in those situations, but if you are, you want to play to the best of your ability. It was a great opportunity for us to go out there. We handled our business. We continue to get better in those scenarios. I think the sky's the limit for the defense."
And that defense makes the Eagles a legitimate contender, even in a league that is all about the offense.