Add the Philadelphia Eagles to teams ruing exhibitions: Wide receiver DeSean Jackson and defensive end Trent Cole were injured Friday against the Kansas City Chiefs. Maybe the only thing more frightening for Eagles coaches was the performance of designated starting quarterback Kevin Kolb. Jackson left the exhibition in Kansas City with an upper-back injury. He was hit hard by Chiefs safety Eric Berry on a four-year catch in the second quarter. Cole was carted off the field with an ankle injury.

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