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Bennie Logan, Nose Tackle
Many thought Logan, a 2013 draftee, would be best served as a gap-obliterating defensive tackle in a 4-3 defense. The Eagles took him anyway despite running a 3-4 defense, and the unit got a boost once he replaced the ineffective Isaac Sopoaga at nose tackle.
Logan is bulking up this offseason to better withstand the wear and tear of the position, and he's up to 315 pounds, per Andy Jasner of ESPN.com. If he retains his athletic ability and ferociousness in destroying gaps while getting bigger and becoming a more complete pass-rusher, then Logan is primed for an excellent 2014 season.
However, it will be tough for Logan to break out when another defensive lineman, coming up later on this list, steals his thunder—just look at the lack of attention New York Jets nose tackle Damon Harrison received when Sheldon Richardson had his dominant rookie campaign.
Lane Johnson, Right Tackle
Johnson, the fourth overall pick in the 2013 draft, has more immediate talent than any other player on this list.
After struggling in pass protection early in his rookie season, Johnson became more acclimated to the speed of the NFL. He gave up just four sacks in his last nine games after allowing seven in his first eight, per Pro Football Focus (subscription required).
That’s not even mentioning how dominant he already is in the running game. Johnson is an athletic freak and the perfect type of offensive lineman to thrive in Kelly’s uptempo scheme.
The only problem is that Johnson will likely be suspended for the first four games of the 2014 season for performance-enhancing drug use, per Paul Domowitch of the Philadelphia Daily News. Since highlights are few and far between for offensive linemen, longevity and consistency are favored above all else. That will prevent Johnson from having a true breakout campaign in 2014.
Joe Kruger, Defensive End
Kruger came from the other side of the 2013 draft as a seventh-round pick. An injury in the preseason forced him to spend the entire season on injured reserve, but Kruger apparently used that time wisely.
He bulked up to 290 pounds, per Alex Smith of the team's official website—a much more appropriate weight for a 3-4 defensive end—and familiarized himself with the Eagles’ defensive scheme.
Joe isn’t anywhere near the finished product that his brother Paul is. However, he has plenty of potential as a rotational pass-rusher who can get to the backfield in a hurry.
Kruger is still a big question mark due to his lack of any real NFL game action, but he could be a rare example of a late-round project who works out in a big way.