Bryan Morris entered the game in the sixth inning with the bases loaded in relief of Jeff Locke and allowed all three runners to score.San Francisco Giants' Buster Posey celebrates in the dugout after scoring on a double by Michael Morse during the first inning of a baseball game against the Pittsburgh Pirates in Pittsburgh Monday, May 5, 2014.Pittsburgh Pirates' Pedro Alvarez hits a three-run home run off San Francisco Giants pitcher Yusmeiro Petit during the third inning of a baseball game in Pittsburgh Monday, May 5, 2014.San Francisco Giants' Hector Sanchez drives in teammate Buster Posey with a single off Pittsburgh Pirates relief pitcher Tony Watson during the seventh inning of a baseball game in Pittsburgh Monday, May 5, 2014.Pittsburgh Pirates' Starling Marte, right, slides safely around the tag of San Francisco Giants shortstop Brandon Crawford, left, with a stolen base during the third inning of a baseball game in Pittsburgh Monday, May 5, 2014. Giants manager Bruce Bochy called for a replay and the safe call was upheld.