[AZ Central] Bumgarner serves up four homers, departs after two innings - Diamondbacks left-hander Madison Bumgarner said he awoke in the middle of the night with discomfort in his back. He figured he had been sleeping on it the wrong way and that it likely would go away. But when Sunday morning rolled around, it wasn’t better – it might even have been worse, he said. “Obviously, hindsight is 20/20 here,” Bumgarner said after giving up six runs in two innings of a 9-5 loss at Petco Park. “We’re sitting here and it looks like, obviously, I should not have been out there.