Giants vs. D-backs lineups: Buster Posey back in, catching Tyler Beede originally appeared on nbcsportsbayarea.com After getting Friday night off, catcher Buster Posey is back behind the plate for the Giants on Saturday in Arizona. Posey will catch starting pitcher Tyler Beede, who picked up his first major league victory in his last outing. In seven appearances this season, Beede is 1-2 with a 6.67 ERA.