The surprising Arizona Diamondbacks are in first place in the NL West. Shhhh. Kirk Gibson wants to keep it quiet. Xavier Nady hit a two-run double in the eighth inning, helping the Diamondbacks rally for a 4-2 victory and a series sweep of the Houston Astros on Sunday. Read more: http://scores.espn.go.com/mlb/recap?gameId=310529118&teams=arizona-diamondbacks-vs-houston-astros
