Paul Goldschmidt has spent two days in the major leagues and he already feels at home. That's what a home run against one of baseball's top pitchers can do for the psyche. Goldschmidt hit his first career homer, a two-run shot off Tim Lincecum that helped the Arizona Diamondbacks move into a tie for first place in the NL West with the Giants by beating San Francisco 6-1 on Tuesday night.