The Dodgers lost their home opener, 4-2, to the Arizona Diamondbacks on Tuesday.A squeeze bunt in the second inning by A.J. Ellis gave the Dodgers an early 1-0 lead. It didn't hold up before the announced crowd of 53,279 at Dodger Stadium.Arizona scored all its runs against the Dodger bullpen, which has lost a lead or a tie in four of the Dodgers' past five games.