Joe Saunders held the Pirates to one run over seven innings and Chris Young hit a two-run homer Monday in Arizona\'s 5-1 victory over Pittsburgh. Saunders (1-0) yielded six hits, walking two and striking out five as the Diamondbacks won the opener of a three-game series. Young went 3-for-4 while Gerardo Parra and Aaron Hill each added a solo homer for Arizona. Pirates starter Erik Bedard (0-3) was saddled with the loss despite yielding only a pair of runs on three hits. He walked four batters and fanned three. Neil Walker notched the lone RBI for Pittsburgh, which lost its sixth game in seven outings.