Pirates squander Mitch Keller's 7 scoreless innings as Diamondbacks get walk-off win
For almost six innings, Mitch Keller was unhittable. For seven innings, the All-Star right-hander held the Arizona Diamondbacks scoreless. What Keller started, the Pittsburgh Pirates couldn’t finish. The Diamondbacks tied the score on an Alek Thomas solo home run in the eighth inning, and Corbin Carroll hit a bases-loaded single...