Gerardo Parra tied a career high with four RBIs to back seven strong innings by Joe Saunders and the Arizona Diamondbacks rode a five-run sixth inning to a 7-2 victory over the Los Angeles Dodgers on Monday night, reducing their magic number to seven for clinching the NL West title. Arizona, vying for the fifth division crown in the franchise's 14-year history, is 17-3 following a season-worst...