Chargers’ worst-case scenario has come to life with nowhere for Justin Herbert, Jim Harbaugh to hide

Getty Images In their first chance to put aside last week’s debacle against the Cardinals, the Chargers moved quickly into Raiders territory, but the drive fizzled when tight end Oronde Gadsden II gave his best defensive-back impression, diving to bat down a pass intended for Brenen Thompson. In a chance to take advantage of the Raiders’ own slow start, two possessions later, Justin Herbert found David Njoku open deep. Some offensive momentum finally seemed possible for the Chargers … until Njoku bobbled the ball right into the arms of Jermod McCoy. The offensive blunders kept coming: Trailing by three late…