Steelers’ starters struggle in tune-up at Philadelphia

Last season, the Steelers were compromised by an 0-4 start. And with the regular season a little more than two weeks away, it’s clear the 2014 Steelers have some things to clean up before the gates open. In Thursday night’s 31-21 loss at Philadelphia, the Steelers surrendered 482 yards. Eagles star tailback LeSean McCoy riddled…