The Arizona Diamondbacks are costing themselves crucial late-season wins by missing scoring opportunities. Two straight shutouts by the San Francisco Giants and Arizona dropped into a first-place tie with Colorado in the NL West. Pinch-hitter Gorkys Hernandez singled home the winning run with one out in the ninth inning, lifting the Giants to a 1-0 win on Tuesday night. read more http://www.espn.com/mlb/recap?gameId=380828126