After Kevin Kolb's 11-for-25 performance against the Kansas City Chiefs, one might think there are serious concerns in Philadelphia about his ability to lead the Eagles this season. After all, Kolb hasn't thrown a touchdown pass in six quarters of exhibition play. But the Philadelphia Daily News reports Kolb's play has been set back by drops -- wide receiver Jeremy Maclin had two Friday against the Chiefs -- and the team's inability to block blitzing linebackers.

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