Jason Peters left practice early with a mild right hamstring injury, the Eagles said on Wednesday. Eagles tackle Jason Peters missed all of last season with an injury to his right Achilles and now he’s dealing with another issue in the same leg. Rookie Matt Tobin filled in for Peters instead. Reuben Frank of CSN Philly reports that Peters left practice early on Wednesday with an injury that coach Chip Kelly said was not serious. That said, hamstring injuries that begin as a mild annoyance can develop into something more if not treated correctly. Dennis Kelly would normally be the next offensive linemen up at left tackle, but he also left practice early.