The Chargers caught a bit of a break from the NFL schedule makers, who threw them a couple of winnable games to start the season at home against the Cardinals and on the road against the Raiders. On paper, at least. It gets much tougher from that point, as they go on the road against the Bills and Seahawks in Weeks 3 and 4. Even if they split those matchups, there is a real chance the Chargers can begin the year with a 3-1 record. With new OC Mike McDaniel on board, Justin Herbert could take the next step forward into superstardom. AP That would bode well with division games against the Broncos and Chiefs looming in Weeks 5 and 6.…