Philadelphia Eagles: 2014 NFL Training Camp Preview

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 NFL Nation's Phil Sheridan examines the three biggest issues facing the Philadelphia Eagles heading into training camp.

Can Nick Foles repeat, even improve on, his 2013 success? A year ago, Foles went into camp trailing Michael Vick in the starting quarterback competition that Vick eventually won. After leading the NFL in passer rating, throwing 27 touchdown passes and two interceptions, Foles has a pretty high bar to clear in his first full season as a starter. It is perfectly reasonable to expect Foles to be further from perfect than he was in 2013. But Foles can do that while still being very productive. If he throws a few more interceptions by taking some risks that also produce more touchdowns or big plays, the Eagles can live with that. Foles could even raise his game to an even higher level. It won't be easy, but with a coach like Chip Kelly, it's not out of the question, either. Foles looked very sharp -- accurate and confident -- during June practices. He seems buoyed, not intimidated or cowed, by being the clear No. 1 QB ahead of Mark Sanchez and Matt Barkley. Training camp and the preseason will give everyone a chance to see whether he's making progress or heading toward a major regression. Best guess: Foles will be fine. Not otherworldly, but just fine.

Who will replace DeSean Jackson's production? That became the Eagles' most urgent question after Kelly decided to part ways with the guy who caught 82 passes for 1,332 yards and nine touchdowns. Since we have no evidence Kelly is a madman, we have to conclude the coach had reason to believe he could get Jackson's production from other players. Jeremy Maclin was never the big-play guy that Jackson was, but he is a solid receiver who is hugely motivated to prove he can excel after a second ACL tear. Riley Cooper may come back to the pack a bit after his breakout 2013 season, but he also might rise to the occasion after experiencing success. The Eagles' additions are intriguing. Darren Sproles figures to be as versatile and unpredictable under Kelly as he was in New Orleans for Sean Payton. Second-round draft pick Jordan Matthews had people at organized team activities comparing his physique to that of Terrell Owens and could be a star in the future. Meanwhile, tight end Zach Ertz is expected to take that key second-season leap in production and reliability. Would the Eagles have been better with Jackson? Probably. Can they be as successful with strong seasons from Maclin, Sproles, Matthews, Cooper and Ertz? Kelly clearly thinks so.

Did the Eagles do enough to improve their defense? Looked at one way, the answer seems like a big "no." The Eagles didn't go out and sign a star defensive back or draft an elite, quarterback-eating pass-rusher. It would be easier to sell this defense if they had. What the Eagles are counting on is an across-the-board rise in experience and comfort in Bill Davis' defense. That isn't as glittery as marquee free agents or high draft picks, but it may prove to be more reliable than either of those. And there is some foundation for hope. The Eagles' defense really did improve over the course of the 2013 season. It looked a lot better in December than in September, and that is why the Eagles may have more new starters on offense than on defense. The front seven looks like it will be the same as it was at the end of 2013. First-round pick Marcus Smith will play as he proves he's ready, but there is no reason to rush him when Trent Cole is playing as well as he did last season. Malcolm Jenkins is a smart and reliable safety, and that should help the secondary immeasurably. The best guess is the starting cornerbacks return. If not, it will be because Nolan Carroll shows that he is better than one of them.

Overall, the Eagles added a bunch of players who will push last year's starters. If they're better, they'll see the field. If not, it will mean the incumbents have fended off the challenge. Either way, the defense should be better.

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