After playingtwo games at second base, rookie Mauricio Dubon is making his first start at shortstop for the Giants against the Padres on Saturday night.Skipper Bruce Bochy is giving Brandon Crawford the night off, so Dubon will get a chance to fill in at his natural position.Kevin Pillar will moveup and bat third whileBrandon Belt will slide down to the seventh spot.Logan Webb will make his third start for the Giants. The rookie right-hander has a 4.66 ERA and nine strikeouts in 9 2/3 innings pitched.