CINCINNATI Madison Bumgarner thought he had put hisfirst-inning problems behind him. Since giving up eight runs in the first inning on June 21against Minnesota, the San Francisco left-hander had gone 3-0 witha 2.57 ERA in five games going into his start Saturday atCincinnati. But Cincinnati scored five first-inning runs on their way to a7-2 win over the San Francisco Giants before a sellout crowd onSaturday.