The home runs were upsetting enough but what led up to them concerned Arizona manager Kirk Gibson.Arizona Diamondbacks' Vidal Nuno, left, waits for San Francisco Giants' Buster Posey, rear, to run the bases after Nuno gave up a grand slam to Posey in the fifth inning of a baseball game Sunday, July 13, 2014, in San Francisco.Arizona Diamondbacks' Martin Prado, right, argues a call with umpire Lance Barksdale, center, in the sixth inning of a baseball game against the San Francisco Giants Sunday, July 13, 2014, in San Francisco. At left is Arizona's Ender Inciarte.Arizona Diamondbacks' Martin Prado swings for an RBI single off San Francisco Giants' Madison Bumgarner in the third inning of a baseball game Sunday, July 13, 2014, in San Francisco.Arizona Diamondbacks' Cody Ross, right, is congratulated by Aaron Hill (2) after Ross hit a two-run home run against the San Francisco Giants in the seventh inning of a baseball game Sunday, July 13, 2014, in San Francisco.