(Orchard Park, NY)  --  Justin Herbert completed 31 of 52 passes for 316 yards and a touchdown, but it was not enough for the Chargers in a 27-17 loss to the Bills in Buffalo.  Keenan Allen hauled in the TD pass.  LA back Austin Ekeler accounted for 129 yards from the line of scrimmage after sitting out six games with a hamstring injury.  The Chargers drop to 3-and-8.