Arizona Diamondbacks left-hander Robbie Ray twirled a gem on Friday in a win over the St. Louis Cardinals. Ray threw 6 1/3 innings, allowing just one run on two hits to go along with eight strikeouts. He lowered his ERA to 3.81 in the process. It's never been a question of talent for Ray, it's been efficiency that has plagued him in starts when he struggles. The southpaw now has back-to-back quality starts in which he has pitched into the seventh inning, proving that he may have figured somethi[...]