The Arizona Diamondbacks have endured four openers, and they're 0-4.Arizona Diamondbacks second baseman Aaron Hill walks from the plate after striking out against San Francisco Giants pitcher Tim Hudson during the third inning of a baseball game in San Francisco, Tuesday, April 8, 2014. The Giants won 7-3.Arizona Diamondbacks left fielder Mark Trumbo misses a fly ball hit by San Francisco Giants left fielder Michael Morse during the fifth inning of the home opener MLB National League baseball game between the San Francisco Giants and the Arizona Diamondbacks in San Francisco, Tuesday, April 8, 2014. Morse singled on the play.A large flag is presented in the AT&T Park outfield during the national anthem before the home opener MLB National League baseball game between the San Francisco Giants and the Arizona Diamondbacks in San Francisco, Tuesday, April 8, 2014.Arizona Diamondbacks pitcher Trevor Cahill throws against the San Francisco Giants during the first inning of an opening day baseball game in San Francisco, Tuesday, April 8, 2014.