SAN FRANCISCO — There isn’t a single player on the Giants’ 26-man roster who uses torpedo bats. The bowling pin-like models briefly took over the game last year and most Giants hitters tried them over the summer, but they all decided they preferred traditional models. Talking about the torpedoes this spring, a few Giants laughed and said the early insanity last season seemed to ultimately just be a case of the New York Yankees having their way with the Milwaukee Brewers for three games.If you’re looking for a silver lining after the Giants scored just one run over 27 innings at Oracle Park, start with that torpedo series. The Brewers got swept by the Yankees at the start of last season and went on to win 97 games and the NL Central title. It’s a long, long season, and Giants players did their best to repeat that after the last couple of losses. At the same time, it was an extremely disappointing start to the Tony Vitello Era. The lineup had the worst start to a season in franchise history. The Giants have the worst run differential in the National League. They’re already three games behind the Los Angeles Dodgers, who swept...