PHOENIX — Joe Panik will always enjoy returning to Chase Field, where he made his big league debut two summers ago. It helps that he crushes here.Panik hit a long three-run homer in the sixth inning Friday, his second in two days, and the Giants held on for a 3-1 win, their third straight. The blast saved the coaching staff's sanity on a night when the Giants hit into five double plays against the Diamondbacks' pitching. 'Terrible Act of Violence': Widow Mourns Loss This one was a pitcher's duel for five innings, as Shelby Miller — a big offseason acquisition for the Diamondbacks — finally found his stride. Jeff Samardzija and Miller both had stretches of dominance early, and it was Miller who finally got a team on the board. He tripled to lead off the fifth and scored when Jean Segura poked a good breaking ball into center field.Angel Pagan, making his return to the lineup after missing 11 games with a hamstring strain, opened the sixth with a single. After a Denard Span single, Panik skied a 3-0 pitch just inside the foul pole for his fifth homer of the season. Panik had previously seen 37 3-0 pitches in the big leagues and didn't swing at any of them. San Jose...