by Zack Cox on Wed, May 13, 2015 at 2:17AM It might be a while before Justin Masterson starts another game for the Boston Red Sox. The right-hander turned in his worst outing in a season of lackluster ones Tuesday night, lasting just 2 1/3 innings in a 9-2 loss to the Oakland A’s at O.co Coliseum. “It wasn’t fun tonight, I’ll say that much,” Masterson told reporters after taking his second loss in as many starts. “It wasn’t fun.” The A’s teed off on Masterson, touching him for two home runs, a triple...