Walker’s start unravels in fateful first inning

D-backs right-hander Taijuan Walker didn’t blame nerves as the easy diagnosis for his rough introduction to postseason play Friday night that included a four-run, nine-batter, 48-pitch first inning in a 9-5 loss in Game 1 of the best-of-five National League Division Series presented by T-Mobile. He said the Dodgers hitter were the issue.