And despite Foles' athletic limitations, the Eagles still can utilize some of the zone-read concepts popularized by Kelly at Oregon. Instead of using the quarterback as a potential runner, Kelly will add the bubble-screen element to the play to exploit vulnerable areas of the defense. The Eagles have employed variations of the wide receiver screen game in the past to get the ball to Jackson and Maclin in space, but the team might expand the package with Kelly in charge. At Oregon, Kelly used the receiver screen not only to complement the zone-read, but to create big-play opportunities down the field. The Ducks would frequently fake the screen to the outside receiver before taking a shot to a slot receiver streaking down the boundary.