Is The Eagles Offensive Line Quietly Even Worse Than Last Year?

The Eagles rushing attack is pretty great.

The offense leads the league in total rushing yards (2140) and average per carry (5.0). Football Outsiders grades them out as the top DVOA rushing offense with +20.1%, head and shoulders above second-place Dallas at +10.9%. A piece of that action has come on quarterback runs. Michael Vick is second in the NFL in rushing DYAR despite having only played in parts of six games. Banged up at age 33, he has the highest rushing DVOA of his career, a ridiculous +68.1%. Even slowpoke Nick Foles places 7th in rushing DYAR and 9th in DVOA, showing the power of the zone read.

But the bulk of the rushing offense comes down to one man: LeSean McCoy. The first back to cross 1000 yards, he's second in the league in DYAR and has already surpassed his personal season rushing record. During the Snow Bowl, he set a new franchise single-game rushing record. However, he also took some flak last month from his coach Chip Kelly, who told the press that he pushes Shady to not dance around quite so much:

"I think LeSean is trying to press too much and trying to hit a home run on every play instead of letting it develop," Kelly said.

The comment was fairly innocuous, as any observer could point out a couple plays every game where McCoy tries to out-juke just one too many defenders, or cut back one too many times. But ultimately McCoy is a Barry Sanders-esque force of nature in the backfield, and he's bailing out Chip's offense and his blockers up front much more than the other way around.

See, the truth according to the advanced stats runs somewhat contrary to the conventional wisdom. Not that anyone is particularly discounting McCoy's contribution to the offense. But there has been a lot of praise heaped on the zone read and a rejuvenated offensive line for the success of the run game. It's not completely misplaced. Certainly we've seen the Jason Peters, Evan Mathis and Jason Kelce dominate blocks at times. Todd Herremans appears to be fading with age, and Lane Johnson makes some rookie mistakes, but they're important athletic pieces in the blocking scheme.

But ultimately, the advanced offensive line stats don't look particularly good:

Since 2010, when McCoy took over as the featured back, the rushing attack has been stellar. High per-rush averages, great power success (that's short yardage, high leverage plays), and elite 2nd level and open field gains. The consistency of those stats is shocking compared to the overall decline in Football Outsiders' signature stat of Adjusted Line Yards. That metric weights runs by distance, attempting to isolate the offensive line's performance over the early yards vs. the largely running back-driven yards down the field.

McCoy has always generated a healthy performance bump above what his offensive line provides him, but this year is the greatest difference yet. Some of that is a higher rushing average than the last two years, but Eagles running backs are actually behind their 2010 pace. The difference is that the offensive line has only "generated" 3.47 yards per rush, 0.6 yards per rush less than 2010. The gradual decline over the last three years comes despite no major change in power or stuffed rank. And the 2nd level and open field yards are as good as ever for McCoy.

Plus, the offensive line isn't doing so hot in pass protection either. The adjusted sack rate is actually worse than last year, despite a distinct lack of starting games by noted turnstile Danny Watkins.

None of these stats are perfect, but the overall picture isn't jiving with the public narrative of a rejuvenated offensive line. And that's partially to be expected. The Eagles had the eight-oldest starting offensive line coming into the season, despite starting a 23-year-old rookie. The Giants are the only other team to rely on three starters over 30. Normally you would worry about injuries with an aging offensive line, but due to either #sportscience or good luck, the Eagles front five have been remarkably injury-free. They just haven't been as productive.

Despite controlling their own playoff destiny, this team has a lot of obvious holes. But when everyone's screaming for more pass rushers and defensive backs this offseason, don't be surprised if the Eagles make a push for young offensive line help. It's secretly one of the team's largest problems.

The Eagles Still Aren't Great, But That's OK

Before the season started, I set my expectations for 2013 at a reasonable level: an improvement from last year's disaster squad and a foundation built for future growth. As I said then, most teams as bad as the Eagles improved, on DVOA terms, by an average of about 12%. I anticipated something along those lines, with a slight record improvement but certainly no mention of playoffs.

Obviously, I was wrong. Before Sunday's loss, the Eagles had improved by nearly 33% in DVOA, one of the best turnarounds ever. That will cool slightly this week, but the team still has the inside track on a playoff spot, something most people (including Jeffrey Lurie) never expected to happen so soon.

But Sunday's game reminded us that this squad -- or at least half of it -- is still a work in progress. Chip Kelly's offense is gangbusters, even if it can sputter out for stretches. On a "bad day," Nick Foles threw for 428 yards on 30 for 48 attempts, 3 TDs and 1 INT. Plus he ran the ball 5 times for 41 yards to boot. LeSean McCoy only got 8 carries, but still finished with over 100 yards from scrimmage. DeSean Jackson had nearly 200 receiving yards plus an end-around touchdown called back due to penalty. Oh, and rookie tight end Zach Ertz ended the day with 57 yards on 6 receptions, including a one-handed TD grab. No big problems here.

The defense is still messy, though. As I've said before, you don't have to be an elite quarterback to find the holes in Billy Davis' scheme (Hint: look for the safeties). A smart, patient, accurate player will pick this secondary apart. That's what happened when the Eagles D was skinned alive during the three-game stretch against Philip Rivers, Alex Smith, and Peyton Manning. Since then, during the team's 7-2 run, opponents never scored more than 21 points. 

The great nine-game run leading up to Sunday seemed to be the defense gelling, but most of it was the horrendous, mistake-prone quarterbacks the Eagles faced. Only two of the QBs the Eagles faced in that span have positive DVOA on the year, and they played one of those in a blizzard. Matt Cassel could easily have been another one of those lightweights, but he did his best 2008 impression, throwing for the 4th-most yards of his career. That came despite the Eagles front seven holding the Adrian Peterson-less Vikings to just 2.4 yards per carry.

Worth noting: Football Outsiders never bought into the Eagles defensive turnaround. While they were bend-but-not-breaking their way to sub-22 point totals, the defense allowed over 350 yards in all but two of the last 9 games. Coming into Sunday, the team ranked 22nd in defensive efficiency, versus 3rd on offense. Even with Denver and Kansas City as past opponents, the Eagles faced the 27th-weakest schedule and registered the highest level of inconsistency in the league prior to this week. Including week 15, the Eagles have the lowest point differential of any division leader.

So again, the Eagles aren't great. If their schedule weren't so easy, including six games against the criminally ugly NFC East, I imagine the team would have finished closer to my "return to 1999" prediction than their current possible outcome of 8-10 wins. If the Eagles win the division, which I now expect them to do either against Chicago with the Cowboys losing again, or in Dallas the week after, they will have vastly overperformed -- despite being only a mediocre overall team.

But that's OK. Even if the Eagles get rolled over by a better wild card team like San Francisco, Carolina, or New Orleans, the season will have been a smashing success, and one to build on in 2014. Kelly's offense still has room to grow next year, and the defensive reconstruction will continue. Until then, enjoy this #housemoney season.

The Eagles Early Offensive Line Struggles

​The Eagles offensive line didn't have a fun time early in Sunday's game against the Giants. In fact, they were getting beaten at nearly every turn. Michael Vick was taking hits, LeSean McCoy couldn't find holes. It wasn't pretty.

Dallas Reynolds and Demetress Bell played especially poorly, but the scariest thing is that they weren't the only culprits. The whole line was getting beat, sometimes one-on-one and other times because of communication breakdowns. Check out a bunch of the plays below:

Kiwanuka, playing nose guard, manhandles Reynolds while Mathis looks the other way.

​McCoy blocks the blitzer, but Watkins doesn't get help from Reynolds on Rocky Bernard.

​Reynolds, pulling, whiffs on Chase Blackburn. Bell also can't sustain block on JPP.

Herremans gets beat inside by Justin Tuck.​

​JPP beats Bell around the edge.

​Watkins' failed cut block.

​Linval Joseph busts by Reynolds.

Communication issue leaves blitzer unblocked.​

The New Danny Watkins

I'll have more (and nicer) stuff tomorrow from my Game Rewind adventure, but tonight I'll just leave you with this masterpiece.

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