Downplaying the need for the two extra days of rest he received, Astros righthander Bud Norris had defiantly insisted his back was fine leading up to his start Tuesday night at Minute Maid Park. His back isn’t fine, though. Even worse for the Astros, the Astros bullpen couldn’t protect the three-run lead they inherited. The Kansas City Royals, who plated the go-ahead run in the eighth inning on a four-pitch walk with the bases loaded, capitalized for a come-from-behind 7-3 victory after Astros manager Bo Porter called on his bullpen to protect a three-run lead after Norris exited in the seventh. Norris threw six scoreless innings, but he was pulled [...]