On June 29th, 1967 in St. Louis, the Giants scored 11 runs in the first inning. Nine of those were charged to Bob Gibson who exited without getting the third out. Bob Gibson! The Cardinals won the World Series that season. No one is going to confuse German Marquez for Bob Gibson, or the '67 champs for the '21 Rockies, but the Giants scored 10 runs in the first inning in Denver today. Marquez only lasted 2/3 of an inning, too.
Brandon Belt launched a no-doubter for a grand slam, and had an RBI single later as well, giving him a 5-RBI inning.