Jeremy Maclin provided fans with the scare of the preseason.The 26-year-old wide receiver, who missed the entire 2013 season after suffering a torn ACL during training camp, went down during Thursday's game with what looked to be a frightening non-contact knee injury.NFL's Around The League Twitter feed and CBS Sports' Josh Katzowitz gave a glimpse of the scene.Fortunately, it wasn't as bad as it looked. Maclin was able to walk off the field on his own power and returned just minutes later to add his fifth reception of the game, according to the team:Eagles fans can rest easy, but considering Maclin's history, this is at least something worth monitoring.If Maclin is ever forced to miss time, Chip Kelly and Co. feature tremendous pass-catching depth. Riley Cooper and rookie Jordan Matthews would see bigger roles, while tight ends Zach Ertz and Brent Celek, as well as running backs LeSean McCoy and Darren Sproles, are dangerous weapons.None of that matters now, though. Maclin remains on track for a big season in DeSean Jackson's absence. Click here to read full news..